noun
reservoir
REHZ-uh-vwah
noun
1
A natural or artificial lake used to store water for supply.
"The town's drinking water comes from a reservoir in the hills."
2
A store or supply of something, often figurative.
"She drew on a deep reservoir of patience with the new trainees."
"The library is a reservoir of knowledge for the whole community."
How to Use Reservoir
Learner’s notesIn plain EnglishA place — literal or figurative — where something is stored up and drawn from as needed.
Common pairings
water reservoir
a reservoir of talent
reservoir levels
Word Forms
reservoired past tense, reservoirs plural, reservoirs singular
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The town's drinking water comes from a _____ in the hills.
Etymology
From French réservoir, "storehouse", from réserver, "to reserve, keep".