the groin is a form of:

Groin



noun
1.
(the depression where the abdomen joins the thigh, the sharp curved edge at the junction of two intersecting vaults) ទ្រនុង, ជ្រុង, ក្រលៀន
2.
(វេជ្ជសាស្ត្រ) ក្រលៀន
ENGLISH MEANING
noun
1.
The line between the lower part of the abdomen and the thigh, or the region of this line; the inguen.
2.
The projecting solid angle formed by the meeting of two vaults, growing more obtuse as it approaches the summit.
3.
The surface formed by two such vaults.
4.
A frame of woodwork across a beach to accumulate and retain shingle.
5.
The snout of a swine.
verb
1.
(INTRANSITIVE) To grunt to growl; to snarl; to murmur.
2.
(TRANSITIVE) To fashion into groins; to build with groins.