Webster’s Revised Unabridged Dictionary · 1913
Tamper
Tamp′er (tămp′ẽr), n. 1. One who tamps; specifically, one who prepares for blasting, by filling the hole in which the charge is placed.
2. An instrument used in tamping; a tamping iron.
Tam′per, v. i. [imp. & p. p. Tampered; p. pr. & vb. n. Tampering.] [A corruption of temper.] 1. To meddle; to be busy; to try little experiments; as, to tamper with a disease.
'T is dangerous tampering with a muse. Roscommon.
2. To meddle so as to alter, injure, or vitiate a thing.
3. To deal unfairly; to practice secretly; to use bribery.
Others tampered For Fleetwood, Desborough, and Lambert. Hudibras.