Dummy

Look up Dummy in Wiktionary, the free dictionary.

Dummy may refer to:

Military dummy:Image:Idiot.jpg
- dummy round - a cartridge that is inert, i.e. contains neither bullet nor gunpowder
- decoy - fake military equipment intended to deceive the enemy
Crash test dummy, a full-scale replica of a human being, weighted and articulated to simulate the behavior of a human body in an accident
Dummy, another term, mainly British English, for pacifier
Steam dummy, or dummy engine, was a steam engine made to resemble a railroad passenger coach
Mannequin, model of the human body used for a variety of purposes
Ventriloquist's dummy
Forgery
dummy, in printing, mock-up to demonstrate layout of printed product
Dummy purchaser, a type of agent

In language and literature:

Dummy pronoun, formally expletive pronoun or pleonastic pronoun, a type of pronoun used in non-pro-drop languages such as English
...for Dummies, series of instructional books
A slang term for an idiot, derived from "dumb" or stupid
Dummy (magazine), a British music magazine

In sports:

In the card game of contract bridge, the partner of the player who wins the auction
Dummy reversal, technique in contract bridge to draw the opponents' remaining trump cards
Dummy Hoy, an American center fielder in Major League Baseball
Dummy (football), a football (soccer) technique
Muk Yan Jong, a wooden dummy used in Chinese martial arts training

In entertainment:

Crash Test Dummies, a Canadian folk-rock band formed in the 1990s
Dummy (album), a 1994 album by Portishead
Dummy (film), a 2002 drama film/comedy film
"The Dummy", an episode of The Twilight Zone
Dummy (comics), a fictional character from the comic book X-Men
Dummy (Pushing Daisies episode), The second episode of the first season of "Pushing Daisies"

In programming, mathematics and electronics:

Dummy code, coding that's not used in the final product, but left in to avoid creating bugs
Dummy data, data in a database, computer memory, or other repository used as a placeholder or for testing purposes only
A bound variable, also known as dummy variable, such as the parameter x in the function definition f(x) = x² + 1
Dummy variable, also known as indicator variable, only taking the values 0 and 1 and used in regression analysis
Dummy load, a device used to simulate an electrical load, usually for testing purposes
Dummy file, files used to fit the space in data optical discs