blue box
English
editNoun
editblue box (plural blue boxes)
- (chiefly British and Canada) A blue container used for the collection of household waste (such as tin cans and newspapers) for recycling by a municipal authority.
- An electronic device used to bypass payment on a tone pulse telephone system.
- Coordinate term: violet box
- (informal, US, meteorology) A "tornado watch" notification category.
- See also: severe thunderstorm watch
Hypernyms
editCoordinate terms
edit(colored boxes, especially electronic ones):