Dum·my, n.; pl. Dummies
1. One who is dumb.
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. An ignorant or thick-witted person; a foolish person; a dolt.
Syn: -- dope, boob, booby, pinhead, dumbbell.
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.
To play dummy, to play the exposed or dummy hand in cards. The partner of the dummy plays it.
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