1. [n]  (informal) fortitude and determination; "he didn't have the guts to try it"
2. [n]  French writer known for works concerning women's rights and independence (1804-1876)
3. [n]  a loose material consisting of grains of rock or coral
4. [v]  rub with sandpaper; "sandpaper the wooden surface"

Sand
Describes the many uses of sand, what it looks like, where it is found, and how it is formed.

more details ...

1. \Sand\, n. [AS. sand; akin to D. zand, G. sand, OHG. sant,
   Icel. sandr, Dan. & Sw. sand, Gr. ?.]
   1. Fine particles of stone, esp. of siliceous stone, but not
      reduced to dust; comminuted stone in the form of loose
      grains, which are not coherent when wet.
            That finer matter, called sand, is no other than
            very small pebbles.                   --Woodward.
   2. A single particle of such stone. [R.] --Shak.
   3. The sand in the hourglass; hence, a moment or interval of
      time; the term or extent of one's life.
            The sands are numbered that make up my life. --Shak.
   4. pl. Tracts of land consisting of sand, like the deserts of
      Arabia and Africa; also, extensive tracts of sand exposed
      by the ebb of the tide. ``The Libyan sands.'' --Milton.
      ``The sands o' Dee.'' --C. Kingsley.
   5. Courage; pluck; grit. [Slang]
   {Sand badger} (Zo["o]l.), the Japanese badger ({Meles
      ankuma}).
   {Sand bag}.
      (a) A bag filled with sand or earth, used for various
          purposes, as in fortification, for ballast, etc.
      (b) A long bag filled with sand, used as a club by
          assassins.
   {Sand ball}, soap mixed with sand, made into a ball for use
      at the toilet.
   {Sand bath}.
      (a) (Chem.) A vessel of hot sand in a laboratory, in which
          vessels that are to be heated are partially immersed.
      (b) A bath in which the body is immersed in hot sand.
   {Sand bed}, a thick layer of sand, whether deposited
      naturally or artificially; specifically, a thick layer of
      sand into which molten metal is run in casting, or from a
      reducing furnace.
   {Sand birds} (Zo["o]l.), a collective name for numerous
      species of limicoline birds, such as the sandpipers,
      plovers, tattlers, and many others; -- called also {shore
      birds}.
   {Sand blast}, a process of engraving and cutting glass and
      other hard substances by driving sand against them by a
      steam jet or otherwise; also, the apparatus used in the
      process.
   {Sand box}.
      (a) A box with a perforated top or cover, for sprinkling
          paper with sand.
      (b) A box carried on locomotives, from which sand runs on
          the rails in front of the driving wheel, to prevent
          slipping.
   {Sand-box tree} (Bot.), a tropical American tree ({Hura
      crepitans}). Its fruit is a depressed many-celled woody
      capsule which, when completely dry, bursts with a loud
      report and scatters the seeds. See Illust. of {Regma}.
   {Sand bug} (Zo["o]l.), an American anomuran crustacean
      ({Hippa talpoidea}) which burrows in sandy seabeaches. It
      is often used as bait by fishermen. See Illust. under
      {Anomura}.
   {Sand canal} (Zo["o]l.), a tubular vessel having a calcareous
      coating, and connecting the oral ambulacral ring with the
      madreporic tubercle. It appears to be excretory in
      function.
   {Sand cock} (Zo["o]l.), the redshank. [Prov. Eng.]
   {Sand collar}. (Zo["o]l.) Same as {Sand saucer}, below.
   {Sand crab}. (Zo["o]l.)
      (a) The lady crab.
      (b) A land crab, or ocypodian.
   {Sand crack} (Far.), a crack extending downward from the
      coronet, in the wall of a horse's hoof, which often causes
      lameness.
   {Sand cricket} (Zo["o]l.), any one of several species of
      large terrestrial crickets of the genus {Stenophelmatus}
      and allied genera, native of the sandy plains of the
      Western United States.
   {Sand cusk} (Zo["o]l.), any ophidioid fish. See {Illust.}
      under {Ophidioid}.
   {Sand dab} (Zo["o]l.), a small American flounder ({Limanda
      ferruginea}); -- called also {rusty dab}. The name is also
      applied locally to other allied species.
   {Sand darter} (Zo["o]l.), a small etheostomoid fish of the
      Ohio valley ({Ammocrypta pellucida}).
   {Sand dollar} (Zo["o]l.), any one of several species of small
      flat circular sea urchins, which live on sandy bottoms,
      especially {Echinarachnius parma} of the American coast.
   {Sand drift}, drifting sand; also, a mound or bank of drifted
      sand.
   {Sand eel}. (Zo["o]l.)
      (a) A lant, or launce.
      (b) A slender Pacific Ocean fish of the genus
          {Gonorhynchus}, having barbels about the mouth.
   {Sand flag}, sandstone which splits up into flagstones.
   {Sand flea}. (Zo["o]l.)
      (a) Any species of flea which inhabits, or breeds in,
          sandy places, especially the common dog flea.
      (b) The chigoe.
      (c) Any leaping amphipod crustacean; a beach flea, or
          orchestian. See {Beach flea}, under {Beach}.
   {Sand flood}, a vast body of sand borne along by the wind.
      --James Bruce.
   {Sand fluke}. (Zo["o]l.)
      (a) The sandnecker.
      (b) The European smooth dab ({Pleuronectes
          microcephalus}); -- called also {kitt}, {marysole},
          {smear dab}, {town dab}.
   {Sand fly} (Zo["o]l.), any one of several species of small
      dipterous flies of the genus {Simulium}, abounding on
      sandy shores, especially {Simulium nocivum} of the United
      States. They are very troublesome on account of their
      biting habits. Called also {no-see-um}, {punky}, and
      {midge}.
   {Sand gall}. (Geol.) See {Sand pipe}, below.
   {Sand grass} (Bot.), any species of grass which grows in
      sand; especially, a tufted grass ({Triplasis purpurea})
      with numerous bearded joints, and acid awl-shaped leaves,
      growing on the Atlantic coast.
   {Sand grouse} (Zo["o]l.), any one of many species of Old
      World birds belonging to the suborder Pterocletes, and
      resembling both grouse and pigeons. Called also {rock
      grouse}, {rock pigeon}, and {ganga}. They mostly belong to
      the genus {Pterocles}, as the common Indian species ({P.
      exustus}). The large sand grouse ({P. arenarius}), the
      painted sand grouse ({P. fasciatus}), and the pintail sand
      grouse ({P. alchata}) are also found in India. See Illust.
      under {Pterocletes}.
   {Sand hill}, a hill of sand; a dune.
   {Sand-hill crane} (Zo["o]l.), the American brown crane ({Grus
      Mexicana}).
   {Sand hopper} (Zo["o]l.), a beach flea; an orchestian.
   {Sand hornet} (Zo["o]l.), a sand wasp.
   {Sand lark}. (Zo["o]l.)
      (a) A small lark ({Alaudala raytal}), native of India.
      (b) A small sandpiper, or plover, as the ringneck, the
          sanderling, and the common European sandpiper.
      (c) The Australian red-capped dotterel ({[AE]gialophilus
          ruficapillus}); -- called also {red-necked plover}.
   {Sand launce} (Zo["o]l.), a lant, or launce.
   {Sand lizard} (Zo["o]l.), a common European lizard ({Lacerta
      agilis}).
   {Sand martin} (Zo["o]l.), the bank swallow.
   {Sand mole} (Zo["o]l.), the coast rat.
   {Sand monitor} (Zo["o]l.), a large Egyptian lizard ({Monitor
      arenarius}) which inhabits dry localities.
   {Sand mouse} (Zo["o]l.), the dunlin. [Prov. Eng.]
   {Sand myrtle}. (Bot.) See under {Myrtle}.
   {Sand partridge} (Zo["o]l.), either of two small Asiatic
      partridges of the genus {Ammoperdix}. The wings are long
      and the tarsus is spurless. One species ({A. Heeji})
      inhabits Palestine and Arabia. The other species ({A.
      Bonhami}), inhabiting Central Asia, is called also {seesee
      partridge}, and {teehoo}.
   {Sand picture}, a picture made by putting sand of different
      colors on an adhesive surface.
   {Sand pike}. (Zo["o]l.)
      (a) The sauger.
      (b) The lizard fish.
   {Sand pillar}, a sand storm which takes the form of a
      whirling pillar in its progress in desert tracts like
      those of the Sahara and Mongolia.
   {Sand pipe} (Geol.), a tubular cavity, from a few inches to
      several feet in depth, occurring especially in calcareous
      rocks, and often filled with gravel, sand, etc.; -- called
      also {sand gall}.
   {Sand pride} (Zo["o]l.), a small British lamprey now
      considered to be the young of larger species; -- called
      also {sand prey}.
   {Sand pump}, in artesian well boring, a long, slender bucket
      with a valve at the bottom for raising sand from the well.
   {Sand rat} (Zo["o]l.), the pocket gopher.
   {Sand rock}, a rock made of cemented sand.
   {Sand runner} (Zo["o]l.), the turnstone.
   {Sand saucer} (Zo["o]l.), the mass of egg capsules, or
      o["o]thec[ae], of any mollusk of the genus {Natica} and
      allied genera. It has the shape of a bottomless saucer,
      and is coated with fine sand; -- called also {sand
      collar}.
   {Sand screw} (Zo["o]l.), an amphipod crustacean
      ({Lepidactylis arenarius}), which burrows in the sandy
      seabeaches of Europe and America.
   {Sand shark} (Zo["o]l.), an American shark ({Odontaspis
      littoralis}) found on the sandy coasts of the Eastern
      United States; -- called also {gray shark}, and {dogfish
      shark}. See Illust. under {Remora}.
   {Sand skink} (Zo["o]l.), any one of several species of Old
      World lizards belonging to the genus {Seps}; as, the
      ocellated sand skink ({Seps ocellatus}) of Southern
      Europe.
   {Sand skipper} (Zo["o]l.), a beach flea, or orchestian.
   {Sand smelt} (Zo["o]l.), a silverside.
   {Sand snake}. (Zo["o]l.)
      (a) Any one of several species of harmless burrowing
          snakes of the genus {Eryx}, native of Southern Europe,
          Africa, and Asia, especially {E. jaculus} of India and
          {E. Johnii}, used by snake charmers.
      (b) Any innocuous South African snake of the genus
          {Psammophis}, especially {P. sibilans}.
   {Sand snipe} (Zo["o]l.), the sandpiper.
   {Sand star} (Zo["o]l.), an ophiurioid starfish living on
      sandy sea bottoms; a brittle star.
   {Sand storm}, a cloud of sand driven violently by the wind.
   {Sand sucker}, the sandnecker.
   {Sand swallow} (Zo["o]l.), the bank swallow. See under
      {Bank}.
   {Sand tube}, a tube made of sand. Especially:
      (a) A tube of vitrified sand, produced by a stroke of
          lightning; a fulgurite.
      (b) (Zo["o]l.) Any tube made of cemented sand.
      (c) (Zo["o]l.) In starfishes, a tube having calcareous
          particles in its wall, which connects the oral water
          tube with the madreporic plate.
   {Sand viper}. (Zo["o]l.) See {Hognose snake}.
   {Sand wasp} (Zo["o]l.), any one of numerous species of
      hymenopterous insects belonging to the families
      {Pompilid[ae]} and {Spherid[ae]}, which dig burrows in
      sand. The female provisions the nest with insects or
      spiders which she paralyzes by stinging, and which serve
      as food for her young.
   

2. \Sand\, v. t. [imp. & p. p. {Sanded}; p. pr. & vb. n.
   {Sanding}.]
   1. To sprinkle or cover with sand.
   2. To drive upon the sand. [Obs.] --Burton.
   3. To bury (oysters) beneath drifting sand or mud.
   4. To mix with sand for purposes of fraud; as, to sand sugar.
      [Colloq.]
   

1. Particles in siliciclastic sediment that range in size from 0.0625 millimeters (very fine-grained sand) to 2.0 millimeters (very coarse-grained sand), according to the Udden-Wentworth scale. In field geology, to tell the difference between fine-grained sand and coarse silt, the particle in a rock is "sand" if it can be clearly seen with the naked eye.
2. 1. Substrate particles 0.062 to 2 mm in diameter.
   2. Granular soil or detritus coarse than silt and finer than gravel, ranging in diameter from 0.002 to 0.2 inch.