~ 1
■ noun
1》 the area between the abdomen and the thigh on either side of the body.
↘ informal the region of the genitals.
2》 Architecture a curved edge formed by two intersecting vaults.
Derivatives
~ed adjective ( Architecture ).
Origin
ME grynde , perh. from OE grynde 'depression, abyss'.
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~ 2
■ noun US spelling of groyne .