Tappet :: Tappet (n.) 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..
Tappit Hen :: Tappit hen () A hen having a tuft of feathers on her head.
Tappit Hen :: Tappit hen () 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..
Untappice :: Untappice (v. i.) to come out of concealment.