pin
A needle without an eye (usually) made of drawn-out steel wire with one end sharpened and the other flattened or rounded into a head, used for fastening.
Other meanings
A small nail with a head and a sharp point.
A cylinder often of wood or metal used to fasten or as a bearing between two parts.
“Pull the pin out of the grenade before throwing it at the enemy.”
A kind of
- fastener
Kinds of pin
- peg
- rivet
- safety pin
- straight pin
- wrist pin
Word history
From Old English "pinn" (pin, peg, bolt).
Where this comes from
This definition is adapted from “pin” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.