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English definition of “fasten”

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fasten

verb uk   /ˈfɑː.sən/ us    /ˈfæs.ən/
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.fasten sth on, together, etc. B2 to fix one thing to another: I fastened the sticker to the windscreen.
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(Definition of fasten from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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