reboun

v. i. [ Pref. re- + bound: cf. F. rebondir. ] 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. [ 1913 Webster ]

Bodies which are absolutely hard, or so soft as to be void of elasticity, will not rebound from one another. Sir I. Newton. [ 1913 Webster ]

2. To give back an echo. [ R. ] T. Warton. [ 1913 Webster ]

3. To bound again or repeatedly, as a horse. Pope. [ 1913 Webster ]

4. to recover, as from sickness, psychological shock, or disappointment. [ PJC ]

Rebounding lock (Firearms), one in which the hammer rebounds to half cock after striking the cap or primer. [ 1913 Webster ]