1. [ noun ] (anatomy) 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
Synonyms: inguen
Related terms: area loins
2. [ verb ] build with groins

: "The ceiling was groined"

Related terms: construct construction
3. [ noun ] a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
Synonyms: breakwater bulwark mole seawall jetty groyne
Related terms: barrier bulwark
Similar spelling:   grin