Meaning of TAMPER in English

TAMPER

■ verb ( ~ with ) interfere with (something) without authority or so as to cause damage.

■ noun a machine or tool for tamping down earth or ballast.

Derivatives

~er noun

Origin

C16 (in the sense 'busy oneself to a particular end, machinate'): alt. of the verb temper .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.