groyne
noun/ɡrɔɪn/
/ɡrɔɪn/
(US English groin)
- a low wall built out into the sea to prevent it from washing away sand and stones from the beach
丁坝（防止海浪侵蚀海滩砂石的矮墙） Word Originlate 16th cent.: from dialect groin ‘snout’, from Old French groign, from late Latin grunium ‘pig's snout’, from Latin grunnire ‘to grunt’.