D defs.my
Entry 1 sense Webster, 1913

Tappet rod

· Tap·pet rod · IPA
01 A rod carrying a tappet or tappets, as one for closing the valves in a Cornish pumping engine.
  1. 1.
    A rod carrying a tappet or tappets, as one for closing the valves in a Cornish pumping engine.(Mech.)