4 entries under this word
n. [Icel. grein, distinction, division, branch; Sw. gren, branch, space between the legs, from Icel. greina, Sw. grena, to distinguish, divide.]
Sense 1. The depressed part of the body between the belly and the thigh.
Sense 2. (Arch.) The angular curve made by the intersection of two semi-cylinders or arches.
Sense 3. A frame of wood-work across a beach to accumulate and retain shingle. [Eng.] Weale.
n. [Fr. groin, Pr. gronh, It. grugno, O. Pg. gruin, snout, from Fr. grogner, Pr. gronhir, gronir, Sp. grunir, It. grugnire, grugnare, Lat. grunnire, to grunt.] The snout of a swine. [Obs.] Chaucer.
(Arch.) To fashion into groins; to adorn with groins. The hand that rounded Peter's dome, And groined the aisles of Christian Rome, Wrought in a sad sincerity. R. W. Emerson.
[Fr. grogner, to growl, snarl, grunt, grumble.] To grumble; to be discontented; to growl; to grunt. [Obs.] Chaucer. “Bears that groined continually.” Spenser.