- [noun] 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
- [noun] a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
Synonyms: breakwater, groyne, mole, bulwark, seawall, jetty
- [verb] build with groins; "The ceiling was groined"
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