Meaning of RESERVOIR in English

RESERVOIR

n. 1 a large natural or artificial lake used as a source of water supply. 2 a any natural or artificial receptacle esp. for or of fluid. b a place where fluid etc. collects. 3 a part of a machine etc. holding fluid. 4 (usu. foll. by of) a reserve or supply esp. of information.

[ F réservoir f. réserver RESERVE ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.