1. a device or mechanism that clasps or holds something firmly in place
2. one of a pair of appendages on male sharks, rays, and related fish used for reproduction
Usage: zoology

Examples

• The clasper on the belt buckle broke, so the belt no longer stayed fastened.
• She adjusted the clasper to tighten the grip on the clamp.
• Male sharks use claspers to transfer sperm during mating.
• The metal clasper held the two pieces of wood together securely.
• The clasper mechanism in the device needed to be replaced after years of use.