Emily Dickinson Lexicon

GROIN, n. [Ice. and Goth. grein. Chalmers. But I do not find this in Lye.]

1. The depressed part of the human body between the belly and the thigh.
2. Among builders, the angular curve made by the inter-section of two semi-cylinders or arches. Encyc.
3. [Fr. groin; Gr. ῤιν.] The snout or nose of a swine. Chaucer.