"tamper" in the noun sense
1. tamp, tamper, tamping bar
a tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.)
"tamper" in the verb sense
1. tamper, fiddle, monkey
play around with or alter or falsify, usually secretively or dishonestly
"Someone tampered with the documents on my desk"
"The reporter fiddle with the facts"
2. meddle, tamper
intrude in other people's affairs or business interfere unwantedly
"Don't meddle in my affairs!"
Source: WordNet® (An amazing lexical database of English)
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