WordReference Random House Unabridged Dictionary of American English © 2026
hat•pin
(hat′pin′),USA pronunciation n.
- Clothinga long pin for securing a woman's hat to her hair, often having a bulbous decorative head of colored glass, simulated pearl, or the like.
- hat + pin 1890–95
'hatpin' also found in these entries (note: many are not synonyms or translations):