Merriam-Webster Collegiate Dictionary - rebound

 I. verb  Etymology: Middle English, from Anglo-French rebundir, from re- + Old French bondir to bound — more at bound  Date: 14th century  intransitive verb  1.  a. to spring back on or as if on collision or impact with another body  b. to recover from setback or frustration  2. reecho  3. to gain possession of a ~ in basketball  transitive verb to cause to ~  • ~er noun  II. noun  Date: 1530  1.  a. the action of ~ing ; recoil  b. an upward leap or movement ; recovery a sharp ~ in prices  2.  a. a basketball or hockey puck that ~s  b. the act or an instance of gaining possession of a basketball ~ leads the league in ~s  3. a reaction to setback, frustration, or crisis on the ~ from an unhappy love affair