CLASPER

noun one who, or that which, clasps, as a tendril.

2. clasper ·noun one of a pair of organs used by the male for grasping the female among many of the crustacea.

3. 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.