1. 腹股沟
Your groin is the front part of your body between your legs.

1. a protective structure of stone or concrete
extends from shore into the water to prevent a beach from washing away

Synonym: breakwatergroynemolebulwarkseawalljetty

2. a curved edge formed by two intersecting vaults

3. the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals

Synonym: inguen