Found 2 items, similar to tappet.
English → English (WordNet) Definition: tappet tappet n : a lever that is moved in order to tap something else
English → English (gcide) Definition: Tappet Tappet \Tap"pet\, n. (Mach.) A lever or projection moved by some other piece, as a cam, or intended to tap or touch something else, with a view to produce change or regulate motion. --G. Francis. [1913 Webster] Tappet motion, a valve motion worked by tappets from a reciprocating part, without an eccentric or cam, -- used in steam pumps, etc. [1913 Webster]