Definition of groin noun from the Oxford Advanced American Dictionary

     

    groin

     noun
    noun
    NAmE//ɡrɔɪn//
     
     
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  1. 1the part of the body where the legs join at the top, including the area around the genitals (= sex organs) She kicked her attacker in the groin. He's been out all season with a groin injury.
  2. 2 a low wall built out into the ocean to prevent it from washing away sand and stones from the beach
See the Oxford Advanced Learner's Dictionary entry: groin