Clasper

·noun One who, or that which, clasps, as a tendril.

II. Clasper ·noun One of a pair of organs used by the male for grasping the female among many of the Crustacea.

III. Clasper ·noun 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.