Noun
(informal, US, meteorology) A "tornado watch" notification category.
See also: severe thunderstorm watch
(Australia) Any of various eucalyptus trees, especially Eucalyptus melliodora of southeastern Australia. [from 19th c.]
Source: en.wiktionary.orgThere was discussion of implementing a 'transparent blue box' which would intermix Mac OS applications with those written for Rhapsody's Yellow Box environment, but this would not happen until Mac OS X 's Classic environment. Source: Internet
The OpenStep base of libraries and binary support was termed Yellow Box. Source: Internet