(1):

(n.) The line between the lower part of the abdomen and the thigh, or the region of this line; the inguen.

(2):

(v. i.) To grunt to growl; to snarl; to murmur.

(3):

(n.) The snout of a swine.

(4):

(n.) The projecting solid angle formed by the meeting of two vaults, growing more obtuse as it approaches the summit.

(5):

(n.) The surface formed by two such vaults.

(6):

(v. t.) To fashion into groins; to build with groins.

(7):

(n.) A frame of woodwork across a beach to accumulate and retain shingle.