screw
nounUK /skruː/
US /skruː/
A small metal thing with a twisty shape that holds pieces of wood or metal together.
He used a screw to fix the shelf to the wall.
RELATED WORDS
OTHER MEANINGS
2. To turn something around and around so it goes in.
Screw the lid tightly onto the jar.
3. A propeller on a boat or ship.
The boat's screw churned the water behind it.
4. To twist your face or body in an odd way.
She screwed up her eyes against the bright sun.