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Meaning of REEF

Pronunciation:  reef

WordNet Dictionary
  1. [n]  a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
  2. [n]  a submerged ridge of rock or coral near the surface of the water
  3. [v]  reduce (a sail) by taking in a reef
  4. [v]  roll up (a portion of a sail) in order to reduce its area
  5. [v]  lower and bring partially inboard, as of a mast on a sailboat

REEF is a 4 letter word that starts with R.


 Synonyms: Rand, Witwatersrand
 See Also: bring down, coral reef, furl, get down, let down, lower, part, reduce, region, ridge, roll up, shrink, take down, Transvaal



Webster's 1913 Dictionary
  1. \Reef\ (r?f), n. [Akin to D. rif, G. riff, Icel. rif, Dan.
    rev; cf. Icel. rifa rift, rent, fissure, rifa to rive, bear.
    Cf. {Rift}, {Rive}.]
    1. A chain or range of rocks lying at or near the surface of
       the water. See {Coral reefs}, under {Coral}.
    2. (Mining.) A large vein of auriferous quartz; -- so called
       in Australia. Hence, any body of rock yielding valuable
    {Reef builder} (Zo["o]l.), any stony coral which contributes
       material to the formation of coral reefs.
    {Reef heron} (Zo["o]l.), any heron of the genus {Demigretta};
       as, the blue reef heron ({D. jugularis}) of Australia.
  2. \Reef\, n. [Akin to D. reef, G. reff, Sw. ref; cf. Icel.
    rif reef, rifa to basten together. Cf. {Reeve}, v. t.,
    {River}.] (Naut.)
    That part of a sail which is taken in or let out by means of
    the reef points, in order to adapt the size of the sail to
    the force of the wind.
    Note: From the head to the first reef-band, in square sails,
          is termed the first reef; from this to the next is the
          second reef; and so on. In fore-and-aft sails, which
          reef on the foot, the first reef is the lowest part.
    {Close reef}, the last reef that can be put in.
    {Reef band}. See {Reef-band} in the Vocabulary.
    {Reef knot}, the knot which is used in tying reef pointss.
       See Illust. under {Knot}.
    {Reef line}, a small rope formerly used to reef the courses
       by being passed spirally round the yard and through the
       holes of the reef. --Totten.
    {Reef points}, pieces of small rope passing through the
       eyelet holes of a reef-band, and used reefing the sail.
    {Reef tackle}, a tackle by which the reef cringles, or rings,
       of a sail are hauled up to the yard for reefing. --Totten.
    {To take a reef in}, to reduce the size of (a sail) by
       folding or rolling up a reef, and lashing it to the spar.
  3. \Reef\, v. t. [imp. & p. p. {Reefed} (r[=e]ft); p. pr. &
    vb. n. {Reefing}.] (Naut.)
    To reduce the extent of (as a sail) by roiling or folding a
    certain portion of it and making it fast to the yard or spar.
    {To reef the paddles}, to move the floats of a paddle wheel
       toward its center so that they will not dip so deeply.
Dream Dictionary
 Definition: Seeing a reef in your dream, suggests that you are blocking out unconscious material from emerging onto the surface.
Biology Dictionary
  1. In general, any solid object that projects from a stream bed or from the floor of any other body of water.
  2. Specifically, a porous, often delicate mass of calcium carbonate and some silica made up of the skeletons of marine corals and sponges. Coral reefs serve as an important focus for many shallow-water ocean ecosystems.