n. & v. --n. 1 the depression between the belly and the thigh. 2 Archit. a an edge formed by intersecting vaults. b an arch supporting a vault. --v.tr. Archit. build with groins. [ME grynde, perh. f. OE grynde depression]
GROIN
Meaning of GROIN in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012