a base hit on which the batter stops safely at second base; "he hit a double to deep centerfield"
a quantity that is twice as great as another; "36 is the double of 18"
someone who closely resembles a famous person (especially an actor); "he could be Gingrich's double"; "she's the very image of her mother"
a stand-in for movie stars to perform dangerous stunts; "his first job in Hollywood was as a double for Clark Gable"
having two meanings with intent to deceive; "a sly double meaning"; "spoke with forked tongue"
large enough for two; "a double bed"; "a double room"
twice as great or many; "ate a double portion"; "the dose is doubled"; "a twofold increase"
consisting of or involving two parts or components usually in pairs; "an egg with a double yolk"; "a double (binary) star"; "double doors"; "dual controls for pilot and copilot"; "duple (or double) time consists of two (or a multiple of two) beats to a measure"
having more than one decidedly dissimilar aspects or qualities; "a double (or dual) role for an actor"; "the office of a clergyman is twofold; public preaching and private influence"- R.W.Emerson; "every episode has its double and treble meaning"-Frederick Harrison
used of flowers having more than the usual number of petals in crowded or overlapping arrangements; "double chrysanthemums have many rows of petals and are usually spherical or hemispherical"
two together; "some people sleep better double"
downward and forward; "he was bent double with pain"
increase twofold; "The population doubled within 50 years"
hit a two-base hit
do double duty; serve two purposes or have two functions; "She doubles as his wife and secretary"
the reflex act of ejecting the contents of the stomach through the mouth
the matter ejected in vomiting
eject the contents of the stomach through the mouth; "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"