Main Entry: ¹tamp

Pronunciation: \ˈtamp\

Function: transitive verb

Etymology: probably back-formation from obsolete tampion, tampin plug, from Middle English, from Middle French tapon, tampon, of Germanic origin; akin to Old High German zapho tap — more at tap

Date: 1834

1 : to drive in or down by a succession of light or medium blows <tamp wet concrete>
2 : to put a check on : reduce, lessen <tamp down rumors>

— tamp·er noun