Definition of plug noun from the Oxford Advanced Learner's Dictionary

      

    plug

     noun
    noun
    BrE BrE//plʌɡ//
     
    ; NAmE NAmE//plʌɡ//
     
     
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    electrical equipment
  1. 1  a small plastic object with two or three metal pins that connects a piece of electrical equipment to the main supply of electricity a three-pin plug I'll have to change the plug on my hairdryer.
  2. 2(informal, especially British English) a small opening in a wall, by which you connect a piece of electrical equipment to the main supply of electricity synonym socket Can I use this plug for my iron?
  3. 3a small object that connects a wire from one piece of electrical equipment to an opening in another the plug from the computer to the printer
  4. in engine
  5. 4= spark plug
  6. in bath/sink
  7. 5  a thick round piece of plastic, rubber or metal that you put in the hole in a bath/ bathtub or a sink to stop the water flowing out She pulled out the plug and let the water drain away. Synonymslidtop cork cap plugThese are all words for a cover for a container.lid a cover over a container that can be removed or opened by turning or lifting it:a jar with a tight-fitting lidtop a thing that you put over the end of something such as a pen or bottle in order to close itcork a small round object made of cork or plastic that is used for closing bottles, especially wine bottlescap (often in compounds) a top for a pen or a protective cover for something such as the lens of a cameraplug a round piece of material that you put into a hole in order to block it; a flat round rubber or plastic thing that you put into the hole of a sink in order to stop the water from flowing out:a bath plugPatterns a tight-fitting lid/​top/​cap a screw top/​cap a pen lid/​top to put on/​screw on/​take off/​unscrew the lid/​top/​cap to pull out the cork/​plug
  8. in hole
  9. 6a round piece of material that fits into a hole and blocks it She took the plug of cotton wool from her ear. see also earplug
  10. 7(North American English) = stopper Synonymslidtop cork cap plugThese are all words for a cover for a container.lid a cover over a container that can be removed or opened by turning or lifting it:a jar with a tight-fitting lidtop a thing that you put over the end of something such as a pen or bottle in order to close itcork a small round object made of cork or plastic that is used for closing bottles, especially wine bottlescap (often in compounds) a top for a pen or a protective cover for something such as the lens of a cameraplug a round piece of material that you put into a hole in order to block it; a flat round rubber or plastic thing that you put into the hole of a sink in order to stop the water from flowing out:a bath plugPatterns a tight-fitting lid/​top/​cap a screw top/​cap a pen lid/​top to put on/​screw on/​take off/​unscrew the lid/​top/​cap to pull out the cork/​plug
  11. for screw
  12. 8a small plastic tube that you put into a hole in a wall so that it will hold a screw
  13. for book/movie
  14. 9(informal) praise or attention that somebody gives to a new book, film/movie, etc. in order to encourage people to buy or see it He managed to get in a plug for his new book.
  15. Word Origin early 17th cent.: from Middle Dutch and Middle Low German plugge, of unknown ultimate origin.Extra examples I got out of the bathtub and pulled the plug. I pushed the jack plug into the amp. My room only has one plug socket. The iron is fitted with a three-pin plug. They decided to pull the plug on the project. There was plenty of hot water, but there was no bath plug. We fixed the leak with a plug made from an old cloth.Idioms
    pull the plug on somebody/something
     
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    (informal) to put an end to somebody’s project, a plan, etc. The television company pulled the plug on the series after only five episodes. See related entries: Business deals
See the Oxford Advanced American Dictionary entry: plug