plural of pin

Third-person singular simple present indicative form of pin

plural of pinning

(transitive) To place the blame for (something) on (someone), especially unjustly.

simple past tense and past participle of pin down

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.