groin
/grɔɪn; ɡrɔɪn/ n
1 (anatomy 解) lower part of the abdomen, where the tops of the legs meet, containing the sexual organs 阴部
She kicked her attacker in the groin. 她踢著了袭击者的阴部. =>illus at human 见human插图.
2 (architecture 建) curved edge where two arches supporting a roof meet 穹棱; 穹窿交接线.
3 (US) = groyne.