Definitions
1.NounThe crease or depression of the human body at the junction of the trunk and the thigh, together with the surrounding region.
2.NounThe area adjoining this fold or depression."He pulled a muscle in his groin."
3.NounThe projecting solid angle formed by the meeting of two vaults
4.NounThe surface formed by two such vaults.
5.NounThe genitals."He got kicked in the groin and was writhing in pain."
6.VerbTo deliver a blow to the genitals of."In the scrum he somehow got groined.; She groined him and ran to the car."
7.VerbTo build or furnish with a groin or groins.
8.VerbTo hollow out; to excavate.
9.VerbTo grunt; to growl; to snarl; to murmur.
10.NounAlternative spelling of groyne.