WordReference Random House Unabridged Dictionary of American English © 2026
push•pin
(pŏŏsh′pin′),USA pronunciation n.
- a short pin having a spool-shaped head of plastic, glass, or metal, used for affixing material to a bulletin board, wall, or the like.
- Gamesan early children's game.
- [Archaic.]child's play;
triviality.
- push + pin 1580–90, for an earlier sense