noun Date: circa 1847 a male copulatory structure:, one of a pair of external anal processes of an insect that are used to grasp a female, one of a pair of organs that are extensions of the pelvic fins of cartilaginous fishes
CLASPER
Meaning of CLASPER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012