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fasten

verb
 
 
/ˈfɑː.sən/ US  /ˈfæs.ən/

Definition

B1 [I or T] to (cause something to) become firmly fixed together, or in position, or closed: Make sure your seat belt is securely fastened. This shirt fastens at the back.Fastening and tying fasten sth on, together, etc. B2 to fix one thing to another: I fastened the sticker to the windscreen.Fastening and tying
(Definition of fasten verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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