groin /(groin)/

1. The snout of a swine. [Obs.]

1. To grunt to growl; to snarl; to murmur. [Obs.]

   Bears that groined coatinually.

1. The line between the lower part of the abdomen and the thigh, or the region of this line; the inguen. (Anat.)
2. The projecting solid angle formed by the meeting of two vaults, growing more obtuse as it approaches the summit. (Arch.)
3. The surface formed by two such vaults. (Math.)
4. A frame of woodwork across a beach to accumulate and retain shingle. [Eng.]

imp. & p. p. Groined; p. pr. & vb. n. Groining

1. To fashion into groins; to build with groins. (Arch.)

   The hand that rounded Peter's dome, And groined the aisles of Christian Rome, Wrought in a sad sincerity.