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1. 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
   - inguen
    
2. A curved edge formed by two intersecting vaults
    
3. A protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
   - breakwater, groyne, mole, bulwark, seawall, jetty

1. (construction) build with groins
   "The ceiling was groined"

Derived forms: groined, groining, groins

Type of: area, barrier, build, construct, edge, make, region

Part of: loins

Encyclopedia: Groin