groin

[ groin ]
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noun
  1. Anatomy. the fold or hollow on either side of the front of the body where the thigh joins the abdomen.

  2. the general region of this fold or hollow.

  1. Architecture. the curved line or edge formed by the intersection of two vaults.

  2. Also groyne . a small jetty extending from a shore to prevent beach erosion.

verb (used with object)
  1. Architecture. to form with groins.

Origin of groin

1
1350–1400; earlier grine, Middle English grinde; compare Old English grynde “abyss,” akin to grund “bottom, ground1

Other words from groin

  • un·groined, adjective

Words Nearby groin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use groin in a sentence

British Dictionary definitions for groin

groin

/ (ɡrɔɪn) /


noun
  1. the depression or fold where the legs join the abdomen: Related adjective: inguinal

  2. euphemistic the genitals, esp the testicles

  1. a variant spelling (esp US) of groyne

  2. architect a curved arris formed where two intersecting vaults meet

verb
  1. (tr) architect to provide or construct with groins

Origin of groin

1
C15: perhaps from English grynde abyss; related to ground 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012