blue box
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English
Noun
blue 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
Coordinate terms
(colored boxes, especially electronic ones):
