simple past tense and past participle of pin

plural of pin

Third-person singular simple present indicative form of pin

plural of pinning

A tack for attaching paper to a drawing board etc

(nautical) Any of the short lengths of wood, iron or brass set up in convenient places on a ship to secure running rigging.

To attach or secure with pins. / (idiomatic) To identify something (e.g. a decision or plan) clearly or specifically.

(US) A split pin, the ends of which project through an object being fastened and are bent back to hold it in place. / (UK) A pin or wedge inserted through a slot to hold machine parts together; a cotter.

A photograph, printed in a magazine or other publication, of a sexually attractive person (often nude or provocatively dressed), and intended to be removed and pinned up on a wall.

A tapered self-holding peg or pin used to connect parts together