The act of something striking an object, and having it's kinetic energy in that direction reflected into energy moving in the opposite direction. Almost anything can bounce.

Boun"cing (?), a.

1.

Stout; plump and healthy; lusty; buxom.

Many tall and bouncing young ladies. Thackeray.

2.

Excessive; big.

B. & Fl.

Bouncing Bet Bot., the common soapwort (Saponaria officinalis).

Harper's Mag.

© Webster 1913.