Res"er*voir` [F. r'eservoir, fr. LL. reservatorium. See Reservatory.]
A place where anything is kept in store; especially, a place where water is collected and kept for use when wanted, as to supply a fountain, a canal, or a city by means of aqueducts, or to drive a mill wheel, or the like.
A small intercellular space, often containing esin, essential oil, or some other secreted matter.
Receiving reservoir Water Works, a principal reservoir into which an aqueduct or rising main delivers water, and from which a distributing reservoir draws its supply.
© Webster 1913.