reservoir

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noun res·er·voir \ˈre-zə-ˌvwär, -zər-, -ˌvwȯr also -ˌvȯi\

Definition of reservoir

  1. 1 :  a place where something is kept in store: such asa :  an artificial lake where water is collected and kept in quantity for useb :  a part of an apparatus in which a liquid is heldc :  supply, store a large reservoir of educated people

  2. 2 :  an extra supply :  reserve

  3. 3 :  an organism in which a parasite that is pathogenic for some other species lives and multiplies usually without damaging its host

Examples of reservoir in a Sentence

  1. The pen has a large ink reservoir.

  2. Colleges and universities provide reservoirs of talent for job recruiters.

  3. She found the reservoirs of energy she needed to finish the job.

Recent Examples of reservoir from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reservoir'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of reservoir

French réservoir, from Middle French, from reserver


RESERVOIR Defined for English Language Learners

reservoir

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noun

Definition of reservoir for English Language Learners

  • : a usually artificial lake that is used to store a large supply of water for use in people's homes, in businesses, etc.

  • : a place (such as a part of a machine) where a liquid is stored

  • : an extra supply of something


RESERVOIR Defined for Kids

reservoir

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noun res·er·voir \ˈre-zər-ˌvwär\

Definition of reservoir for Students

  1. :  a place where something (as water) is kept in store for future use


Medical Dictionary

reservoir

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noun res·er·voir \ˈrez-ə(r)v-ˌwär, -ə(r)v-ˌ(w)ȯr\

Medical Definition of reservoir

  1. 1:  a space (as an enlargement of a vessel or the cavity of a glandular acinus) in which a body fluid is stored

  2. 2:  an organism in which a parasite that is pathogenic for some other species lives and multiplies without damaging its host; also :  a noneconomic organism within which a pathogen of economic or medical importance flourishes without regard to its pathogenicity for the reservoir rats are reservoirs of plague—compare carrier 1a



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