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Dictionary definition for: Plug

1. (n) blockage consisting of an object designed to fill a hole tightly

2. (v) fill or close tightly with or as if with a plug; "plug the hole" "stop up the leak"

3. (n) a wad of something chewable as tobacco

4. (v) persist in working hard; "Students must plug away at this problem"

5. (n) blatant or sensational promotion

6. (v) deliver a quick blow to; "he punched me in the stomach"

7. (n) electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark

8. (v) make a plug for; praise the qualities or in order to sell or promote

9. (n) an electrical device with two or three pins that is inserted in a socket to make an electrical connection

10. (n) an upright hydrant for drawing water to use in fighting a fire

11. (n) an old or over-worked horse

WordNet 2.1 Copyright Princeton University. All rights reserved.