groyne
/grɔɪn/( <美> groin)
noun
- a low wall or sturdy timber barrier built out into the sea from a beach to check erosion and drifting丁坝, 折流坝。
词源
late 16th cent.: from dialect groin 'snout'， from Old French groign, from late Latin grunium 'pig's snout'， from Latin grunnire 'to grunt'.