groin has definitions from the field of anatomy
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

Used in print

(Stephen Longstreet, Eagles Where I Walk....)

Its groin was bloody .

Related terms

area loins

2
[ verb ] build with groins

Examples

: "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

Related terms

barrier bulwark

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