Cornet-a-piston :: Cornet-a-piston (n.) A brass wind instrument, like the trumpet, furnished with valves moved by small pistons or sliding rods; a cornopean; a cornet..
Epistome :: Epistome (n.) The region between the antennae and the mouth, in Crustacea..
Epistome :: Epistome (n.) A liplike organ that covers the mouth, in most Bryozoa. See Illust., under Entoprocta..
Pistol :: Pistol (n.) The smallest firearm used, intended to be fired from one hand, -- now of many patterns, and bearing a great variety of names. See Illust. of Revolver..
Pistole :: Pistole (n.) The name of certain gold coins of various values formerly coined in some countries of Europe. In Spain it was equivalent to a quarter doubloon, or about $3.90, and in Germany and Italy nearly the same. There was an old Italian pistole worth about $5.40..
Piston :: Piston (n.) A sliding piece which either is moved by, or moves against, fluid pressure. It usually consists of a short cylinder fitting within a cylindrical vessel along which it moves, back and forth. It is used in steam engines to receive motion from the steam, and in pumps to transmit motion to a fluid; also for other purposes..