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Meaning of “plug” - Learner’s Dictionary

plug

noun [C]     /plʌɡ/
ELECTRICITY
B1 a plastic or rubber object with metal pins, used to connect electrical equipment to an electricity supply: I need to change the plug on my hairdryer.Electrical switches and connections
HOLE
B1 something you put in a hole to block it: a bath plug Lids, covers and stoppers
ADVERTISEMENT
talking about about a new book, film, etc in public to advertise it: She managed to get in a plug for her new book.Advertising, marketing and merchandisingRetailing
→  See also spark plug , pull the plug
(Definition of plug noun from the Cambridge Learner’s Dictionary © Cambridge University Press)
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