Meaning of clasper

clasp•er

Pronunciation: (klas'pur, klä'spur), [key]
— n.
  1. a person or thing that clasps.
  2. (in insects, fishes, crustaceans, etc.) one of the modified, usually paired organs or parts by which the male clasps the female during copulation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.