One entry found for reservoir.
Main Entry: res·er·voir
Pronunciation: rez-(r)v-wär, -(r)v-(w)r
Function: noun
Etymology: from French réservoir "place where something is kept in reserve," from reserver "to reserve, keep for future use" 1: a place where something is kept in store; especially: an artificial or natural lake where water is collected as a water supply 2: an extra supply : RESERVE 3: a living thing (as a fly or mouse) in which a parasite (as a bacterium) that is harmful to some other living thing lives and multiplies
[reservoir illustration]