- Main Entry:
- clasp·er

- Pronunciation:
-
\ˈklas-pər\
- Function:
- noun
- Date:
- circa 1847
: a male copulatory structure: a: one of a pair of external anal processes of an insect that are used to grasp a female b: one of a pair of organs that are extensions of the pelvic fins of cartilaginous fishes