Definiciones
1.NounA blue container used for the collection of household waste (such as tin cans and newspapers) for recycling by a municipal authority.
2.NounAn electronic device used to bypass payment on a tone pulse telephone system.
3.NounA "tornado watch" notification category."See also: severe thunderstorm watch"
4.NounEllipsis of USPS blue box.
5.NounUsed other than figuratively or idiomatically: see blue, box.