n. One who is dumb; a dumb person; a mute.n. One who is silent; specifically, in theatrical, a person on the stage who appears before the lights, but has nothing to say.n. One who or that which lacks the reality, force, function, etc., which it appears to possess; something that imitates a reality in a mechanical way or for a mechanical purpose.n. In mech.:n. A dumb-waiter.n. A locomotive with a condensing-engine, and hence avoiding the noise of escaping steam: used especially for moving railroad-cars in the streets of a city, or combined in one with a passenger-car for local or street traffic.n. The name given by firemen to one of the jets from the mains or chief water-pipes.n. A hatters' pressing-iron.n. In card-playing:n. An exposed hand of cards, asin whist when three play.n. A game of whist in which three play, the fourth hand being placed face up. One player, with this and his own hand, plays against the other two.Silent; mute.Sham; fictitious; feigned: as, a dummy watch.n. Proofs of pages of composed type pasted down upon a larger leaf in proper order, to show the general arrangement of an intended book or pamphlet.n. The dealer's partner at bridge.n. In the game of rounce, an extra hand of 6 cards in the center of the table.n. A person who is put forward (by interested parties in the background) in some capacity in connection with a matter in which he has no real concern or as to which he is the mere tool of his movers: for example, as an incorporater or a director of a bank, a railway, or other company, in order to satisfy some statutory requirement as to number, place of residence, or the like, or as in Australia, when the public lands were thrown open, one who made application for an allotment in his own name, but really on behalf of another who had already made his own ‘selection.’n. A horse affected with dumminess, which follows an acute inflammation of the brain. See dumminess, 2.To act as a dummy. See dummy, 6.