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groin
noun
- the hollow or fold where the abdomen joins either thigh
- Archit.
- the sharp, curved edge formed at the junction of two intersecting vaults
- the rib of wood, stone, etc. covering this edge
- a strong, low sea wall built at a right angle to the coast to reduce shoreline erosion, esp. of a beach
transitive verb
to build or provide with groins
See groin in American Heritage Dictionary 4
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