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Meaning of GROIN

Pronunciation:  groyn

WordNet Dictionary
  1. [n]  a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
  2. [n]  the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals
  3. [v]  build with groins; "The ceiling was groined"

GROIN is a 5 letter word that starts with G.


 Synonyms: breakwater, bulwark, groyne, inguen, jetty, mole, seawall
 See Also: area, barrier, build, construct, loins, make, region



Webster's 1913 Dictionary
  1. \Groin\, n. [F. groin, fr. grogner to grunt, L. grunnire.]
    The snout of a swine. [Obs.] --Chaucer.
  2. \Groin\, v. i. [F. grogner to grunt, grumble.]
    To grunt to growl; to snarl; to murmur. [Obs.] --Chaucer.
          Bears that groined coatinually.          --Spenser.
  3. \Groin\, n. [Icel. grein distinction, division, branch;
    akin to Sw. gren, branch, space between the legs, Icel.
    greina to distinguish, divide, Sw. grena to branch, straddle.
    Cf. {Grain} a branch.]
    1. (Anat.) The line between the lower part of the abdomen and
       the thigh, or the region of this line; the inguen.
    2. (Arch.) The projecting solid angle formed by the meeting
       of two vaults, growing more obtuse as it approaches the
    3. (Math.) The surface formed by two such vaults.
    4. A frame of woodwork across a beach to accumulate and
       retain shingle. [Eng.] --Weale.
  4. \Groin\, v. t. [imp. & p. p. {Groined}; p. pr. & vb. n.
    {Groining}.] (Arch.)
    To fashion into groins; to build with groins.
          The hand that rounded Peter's dome, And groined the
          aisles of Christian Rome, Wrought in a sad sincerity.
Medical Dictionary
 Definition: The area where the thigh joins the abdomen (hip area).
Biology Dictionary
  1. A long, narrow, wall-like structure extending out into a stream or lake from the bank or shore. Used to protect the bank from erosion. Also called a "wing dam" or "deflector." (Groins are often used with several in series to "train" the flow of a river around a bend where there is an erosion problem on the outside bank.)
  2. A bank or shore-protection structure in the form of a barrier oblique to primary motion of water, designed to control movement of bed material.
Thesaurus Terms
 Related Terms: abutment, anchorage, anchorage ground, arc-boutant, arch dam, backstop, bamboo curtain, bank, bar, barrage, barrier, basin, beam, bear-trap dam, beaver dam, berth, boom, branch, breakwater, breastwork, brick wall, buffer, bulkhead, bulwark, buttress, buttress pier, buttressing, cofferdam, crotch, crutch, dam, defense, delta, dike, ditch, dock, dockage, dockyard, dry dock, earthwork, embankment, fan, fence, flying buttress, fork, furcula, furculum, gate, gravity dam, hanging buttress, harbor, harborage, haven, hydraulic-fill dam, inguen, iron curtain, jam, jetty, jutty, landing, landing place, landing stage, leaping weir, levee, logjam, marina, milldam, moat, mole, moorings, mound, offshoot, parapet, pier, pier buttress, port, portcullis, prong, protected anchorage, quay, ramification, rampart, retaining wall, road, roadblock, roads, roadstead, rock-fill dam, seaport, seawall, shipyard, shoulder, shutter dam, slip, stem, stone wall, trident, V, wall, weir, wharf, wicket dam, wishbone, work