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.))
Overview of verb tamper
The verb tamper has 2 senses
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")
meddle, tamper -- (intrude in other people's affairs or business; interfere unwantedly; "Don't meddle in my affairs!")