Definition of: dummy

(dum′ē) noun plural dum·mies
1. Colloq. One who is dumb; a mute; hence, a stupid person; dolt.
2. A silent person, as an actor without a speaking part.
3. A figure used by a ventriloquist.
4. A comparatively noiseless steam locomotive without a blast pipe.
5. A dumbwaiter.
6. A thing made to represent something else; a model; a figure on which clothes can be displayed.
7. A figure stuffed with straw or sawdust, used in bayonet practice; also, a similar figure used by football players in tackling practice.
8. In certain card games, an exposed hand played by the opposite player; also, the player to whom that hand has been dealt.
9. A person who represents another in a transaction, but who poses as acting for himself; a straw man.
10. Printing A model book, usually blank, made up as a pattern.
—double dummy Whist or bridge as played by two persons, each playing two hands, one of which is exposed.
—adjective
1. Sham; counterfeit.
2. Silent.
3. Having no explosive charge: dummy ammunition.
4. Made to resemble some object, but having no real use; artificial: a dummy door.
—v.t. dum·mied,·my·ing To lay out (printed matter) as a guide for making up.
—to dummy up U.S. Slang To become silent. [<DUMB]