dummya.[See Dumb.]1. Silent; mute; noiseless; as a dummy engine.()2. Fictitious or sham; feigned; as, a dummy watch.()Dummy car. See under Car.()n.1. One who is dumb.(H. Smith.)2. A sham package in a shop, or one which does not contain what its exterior indicates.()3. An imitation or copy of something, to be used as a substitute; a model; a lay figure; as, a figure on which clothing is exhibited in shop windows; a blank paper copy used to show the size of the future book, etc.()4. (Drama) One who plays a merely nominal part in any action; a sham character.()5. A thick-witted person; a dolt.()6. (Railroad) A locomotive with condensing engines, and, hence, without the noise of escaping steam; also, a dummy car.()7. (Card Playing) The fourth or exposed hand when three persons play at a four-handed game of cards.()8. A floating barge connected with a pier.(Knight.)To play dummy, to play the exposed or dummy hand in cards. The partner of the dummy plays it.()a.[L. dumosus, fr. dumus a thornbush, a bramble.]1. Abounding with bushes and briers.()2. (Bot.) Having a compact, bushy form.()