6 entries found for screw.
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Main Entry: 1screw
Pronunciation: skrü
Function: noun 1 a: a simple machine consisting of a solid cylinder with a winding groove around it and a correspondingly grooved hollow cylinder into which it fits b: a nail-shaped or rod-shaped metal piece with a winding groove used for fastening solid pieces together 2 a: something having the shape of a screw : SPIRALb: the act of screwing tight : TWISTc: a screw-shaped device (as a corkscrew) 3: PROPELLER - screw·like /-lk/ adjective - have a screw loose: to be mentally unbalanced <I must have a screw looose for agreeing to do this>