double

adj 1: 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 [syn: {dual}, {twofold}, {treble}, {threefold}]

2: 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" [syn: {dual}, {duple}]

3: twice as great or many; "ate a double portion"; "the dose is

doubled"; "a twofold increase" [syn: {doubled}, {twofold}]

4: (botany; 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" [ant: {single}]

5: (genetics) used of homologous chromosomes associated in

pairs in synapsis [syn: {bivalent}] [ant: {multivalent}, {univalent}]

6: large enough for two; "a double bed"; "a double room"

7: having two meanings with intent to deceive; "a sly double

meaning"; "spoke with forked tongue" [syn: {forked}]

n 1: a base hit on which the batter stops safely at second base;

" he hit a double to deep centerfield" [syn: {two-base

hit}, {two-bagger}, {two-baser}]

2: a stand-in for movie stars to perform dangerous stunts; "his

first job in Hollywood was as a double for Clrak Gable"

[syn: {stunt man}, {stunt woman}]

3: someone who closely resembles a famous person (especially an

actor); "he could be Gingrich's double"; "she's the very

image of her mother" [syn: {image}]

4: a quantity that is twice as great as another; "36 is the

double of 18"

5: raising the stakes in a card game by a factor of 2; "I

decided his double was a bluff" [syn: {doubling}]

adv 1: downward and forward; "he was bent double with pain"

2: two together; "some people sleep better double"

3: to double the degree; "she was doubly rewarded"; "his eyes

were double bright" [syn: {doubly}, {twice}]

v 1: increase twofold; "The population doubled within 50 years"

[syn: {duplicate}]

2: hit a two-base hit, in baseball

3: bend over or curl up, usually with laughter or pain; "He

doubled and vomited violently" [syn: {double over}, {double

up}]

4: do double duty; serve two purposes or have two functions;

"She doubles as his wife and secretary"

5: make or do or perform again [syn: {duplicate}, {reduplicate},

{repeat}, {replicate}]