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plug

 
 
/plʌg/ verb [T] (present participle plugging, past tense and past participle plugged)

Definition

plug a gap/hole mainly UK to solve a problem by supplying something that is needed: The new computer system will help to plug the gap in the county's ability to collect taxes.
ADVERTISE to talk about a new book, film, etc in public in order to advertise it: He was on TV, plugging his new book.
HOLE to block a hole
(Definition of plug verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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