reservoir
Americannoun
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a natural or artificial place where water is collected and stored for use, especially water for supplying a community, irrigating land, furnishing power, etc.
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a receptacle or chamber for holding a liquid or fluid.
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Geology. pool16
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Biology. a cavity or part that holds some fluid or secretion.
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a place where anything is collected or accumulated in great amount.
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a large or extra supply or stock; reserve.
a reservoir of knowledge.
noun
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a natural or artificial lake or large tank used for collecting and storing water, esp for community water supplies or irrigation
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a receptacle for storing gas, esp one attached to a stove
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biology a vacuole or cavity in an organism, containing a secretion or some other fluid
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anatomy another name for cisterna
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a place where a great stock of anything is accumulated
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a large supply of something; reserve
a reservoir of talent
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A natural or artificial pond or lake used for the storage of water.
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An underground mass of rock or sediment that is porous and permeable enough to allow oil or natural gas to accumulate in it.
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An organism that is the host for a parasitic pathogen or that directly or indirectly transmits a pathogen to which it is immune.
Etymology
Origin of reservoir
1680–90; < French réservoir, equivalent to réserv ( er ) to reserve + -oir -ory 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
City Council called on the city’s water utility to explain why firefighters ran out of water and why a key reservoir was offline.
From Los Angeles Times
Most of the major reservoirs are measuring above normal for the time of year, state data show.
From Los Angeles Times
Investigations into a light aircraft crash at a reservoir have been continuing.
From BBC
A small aircraft has crashed into a reservoir, police said.
From BBC
It also has a reservoir that holds enough water to cool the reactor for seven days without interruption.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
