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English definition of “screw”

screw

noun (TURN)    /skruː/
[C] an act of twisting or turning made to fasten or tighten something: Give it another screw to make sure the lid doesn't come off while we're travelling .Nuts, bolts and screws
(Definition of screw noun (TURN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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