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Dictionary Definition

plug

Noun

1 blockage consisting of an object designed to fill a hole tightly [syn: stopper, stopple]

2 a wad of something chewable as tobacco [syn: chew, chaw, cud, quid, wad]

3 blatant or sensational promotion [syn: ballyhoo, hoopla, hype]

4 electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark [syn: spark plug, sparking plug]

5 an electrical device with two or three pins that is inserted in a socket to make an electrical connection [syn: male plug]

6 an upright hydrant for drawing water to use in fighting a fire [syn: fireplug, fire hydrant]

7 an old or over-worked horse [syn: hack, jade, nag]

Verb

1 fill or close tightly with or as if with a plug; "plug the hole"; "stop up the leak" [syn: stop up, secure]

2 persist in working hard; "Students must plug away at this problem" [syn: plug away]

3 deliver a quick blow to; "he punched me in the stomach" [syn: punch]

4 make a plug for; praise the qualities or in order to sell or promote [also: plugging, plugged]plugged adj

1 (of a coin) altered by the insertion of a plug of base metal

2 completely obstructed or closed off; "the storm was responsible for many blocked roads and bridges"; "the drain was plugged" [syn: blocked]plugged See plug