(1):

(n.) One of a pair of organs used by the male for grasping the female among many of the Crustacea.

(2):

(n.) One of a pair of male copulatory organs, developed on the anterior side of the ventral fins of sharks and other elasmobranchs. See Illust. of Chimaera.

(3):

(n.) One who, or that which, clasps, as a tendril.