noun. a small case for holding pills.
noun. a small enclosed gun emplacement (usually of fortified concrete).
- weapons emplacement
- proportional font
noun. a small round woman's hat.
- woman's hat
Example sentences of the word pillbox
1. Noun, singular or mass
The size of the circle depends on how large you want your pillbox hat to be.
Hat pins work well with small, pillbox style hats with little or no brim.