1 a place or building where treasure is stored.
2 the funds or revenue of a State, institution, or society.
3 (Treasury) a the department managing the public revenue of a country. b the offices and officers of this. c the place where the public revenues are kept.
Phrases and idioms:
Treasury bench (in the UK) the front bench in the House of Commons occupied by the Prime Minister, Chancellor of the Exchequer, etc. treasury bill a bill of exchange issued by the government to raise money for temporary needs. treasury note US & hist. a note issued by the Treasury for use as currency.
Etymology: ME f. OF tresorie (as TREASURE)
Useful english dictionary. 2012.