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English definition of “plug”

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plug

noun [C]  /plʌɡ/ us  

plug noun [C] (ELECTRICAL DEVICE)

a small plastic or rubber device with metal pins that connects the end of a wire on a piece of electrical equipment to a supply of electricity A plug is also a spark plug

plug noun [C] (HOLE BLOCK)

a small piece of esp. rubber or plastic that fits into a hole in order to block it: I was trying to fill the bathtub, but Matthew kept pulling out the plug.

plug noun [C] (ADVERTISE)

an advertisement for something by someone talking about it or praising it, esp. on television or radio: He took the opportunity to put in a plug for his new book.

plug

verb  /plʌɡ/ (-gg-) us  

plug verb (ADVERTISE)

[T] to advertise something by talking about it or praising it, esp. on television or radio

plug verb (USE ELECTRICAL DEVICE)

[I/T] to attach electrical equipment to a supply of electricity with a plug : [M] All you have to do is plug in the computer. [T] I’d like to plug the stereo into that outlet. [I] These systems plug into TV sets and run games.

plug verb (HOLE BLOCK)

[T] to prevent water or other liquid from coming through a hole by covering the hole: Workers finished plugging the hole in the dam.
Phrasal verbs
(Definition of plug from the Cambridge Academic Content Dictionary © Cambridge University Press)
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