rebound

rebound is a Verb

Definition:

[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.] T. Warton.

[3] To bound again or repeatedly, as a horse. Pope. Rebounding lock (Firearms), one in which the hammer rebounds to half cock after striking the cap or primer.