screw

US /skruː/
UK /skruː/
"screw" picture
1.

a metal pin with a spiral ridge running along its length and a grooved head, used to join things together by being rotated so that it pierces and fastens to a surface or material

:
•
He used a screw to fasten the two pieces of wood together.
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Make sure the screw is tight.
:
boltfastenerpin
2.

an act of twisting or turning something

:
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Give the cap a gentle screw to open it.
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He put a quick screw on the lid.
:
twistturnrotation
1.

fasten or tighten (something) with a screw or screws

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•
He screwed the shelf to the wall.
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Can you help me screw this together?
:
fastenboltfixattach
2.

twist or turn (something) around a fixed point or axis

:
•
He screwed the lid onto the jar.
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She screwed up her face in disgust.
:
twistturnrotate
:
screw uphave a screw loosehave your head screwed on (the right way)