TAPPESTER
Tap"pes*ter, n. Etym: [See Tapster.]
Defn: A female tapster. [Obs.] Chaucer.
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.
TAPPET ROD
Tap"pet rod. (Mech.)
Defn: A rod carrying a tappet or tappets, as one for closing the valves in a Cornish pumping engine.
TAPPICE; TAPPIS
Tap"pice, Tap"pis, v. i.
Defn: See Tapish.
TAPPIT HEN
Tap"pit hen`.
1. A hen having a tuft of feathers on her head. [Scot.] Jamieson.