Definition of groin

Definition of groin
  1. groin Noun The long narrow depression of the human body that separates the trunk from the legs.
  2. groin Noun The projecting solid angle formed by the meeting of two vaults
  3. groin Noun The surface formed by two such vaults.
  4. groin Noun A structure projecting from a beach to change the pattern of erosion.
  5. groin Verb To build with groins.
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