| Tappen | n. An obstruction, or indigestible mass, found in the intestine of bears and other animals during hibernation. [ 1913 Webster ] |
| Tapper | n. (Zool.) The lesser spotted woodpecker (Dendrocopus minor); -- called also tapperer, tabberer, little wood pie, barred woodpecker, wood tapper, hickwall, and pump borer. [ Prov. Eng. ] [ 1913 Webster ] |
| Tappester | n. [ See Tapster. ] A female tapster. [ Obs. ] Chaucer. [ 1913 Webster ] |
| Tappet | 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 ]
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| Tappet rod | . (Mech.) A rod carrying a tappet or tappets, as one for closing the valves in a Cornish pumping engine. [ Webster 1913 Suppl. ] |
| Tappis | { , v. i. See Tapish. [ 1913 Webster ] Variants: Tappice |
| Tappit hen | 1. A hen having a tuft of feathers on her head. [ Scot. ] Jamieson. [ 1913 Webster ] 2. A measuring pot holding one quart (according to some, three quarts); -- so called from a knob on the lid, thought to resemble a crested hen. [ Scot. ] Jamieson. [ 1913 Webster ] |
| Tappoon | n. [ Sp. tampón a stopper. ] (Irrigation) A piece of wood or sheet metal fitted into a ditch to dam up the water so as to overflow a field. [ U. S. ] [ Webster 1913 Suppl. ] |
