Re·bound v. i.
1. To spring back; to start back; to be sent back or reverberated by elastic force on collision with another body; as, a rebounding echo.
Bodies which are absolutely hard, or so soft as to be void of elasticity, will not rebound from one another. --Sir I. Newton.
2. To give back an echo. [R.]
3. To bound again or repeatedly, as a horse.
Rebounding lock Firearms, one in which the hammer rebounds to half cock after striking the cap or primer.