Category:Tappet

Tap"pet, n. (mach.)

Defn: 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. Tappet motion, a valve motion Worked by tappets from a reciprocating part, without an eccentric or Cam, -- used in steam pumps, etc.