plug - definition in the American English Dictionary - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “plug”

See all translations

plug

noun [C]  us   /plʌɡ/

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  us   /plʌɡ/ (-gg-)

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)
What is the pronunciation of plug?
Add Cambridge dictionaries to your browser to your website

Definitions of “plug” in other dictionaries

Word of the Day

gale-force

(of winds) very strong

Word of the Day

They sometimes go here and they never go there: using adverbs of frequency

by Liz Walter,
April 29, 2015
Sometimes, always, often, never: these are some of the most common words in English.  Unfortunately, they are also some of the words that cause the most problems for students. Many of my students put them in the wrong place, often because that’s where they go in their own languages. They say things

Read More 

Evel abbreviation

May 04, 2015
English votes for English laws; the idea that only English (as opposed to Scottish, Welsh or Irish) MPs should be allowed to vote for laws that affect only England Yet these are the two principal constitutional proposals that have come from the Conservative party in its kneejerk response to Ukip’s English nationalism and

Read More