tamper 1
— tamperer , n.
/tam"peuhr/ , 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.
[ 1560-70; prob. var. of TEMPER (v.) ]
Syn. 1. interfere.
tamper 2
/tam"peuhr/ , n.
a person or thing that tamps.
[ TAMP + -ER 1 ]