Tappet

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

  tappet
       n : a lever that is moved in order to tap something else