Pronunciation: (tam'pur),[key] —v.i. 1. to meddle, esp. for the purpose of altering, damaging, or misusing (usually fol. by with): Someone has been tampering with the lock. 2. to make changes in something, esp. in order to falsify (usually fol. by with): to tamper with official records. 3. to engage secretly or improperly in something.
4. to engage in underhand or corrupt dealings, esp. in order to influence improperly (usually fol. by with): Any lawyer who tries to tamper with a jury should be disbarred.
Pronunciation: (tam'pur),[key] —n. a person or thing that tamps.