Definition of clasper
: a male copulatory structure:a : one of a pair of external anal processes of an insect that are used to grasp a femaleb : one of a pair of organs that are extensions of the pelvic fins of cartilaginous fishes
Recent Examples of clasper from the Web
In some species, the claspers are held in place by spiny projections.
In males the pelvic claspers, used in mating, glow.
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First Known Use of clasper
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