reservoir - definition, thesaurus and related words from WordNet-Online

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Noun reservoir has 4 senses

reservoir - a large or extra supply of something; "a reservoir of talent"
--₁ is a kind of supply
reservoir, artificial lake - lake used to store water for community use
--₂ is a kind of lake
--₂ is a part of water system, water supply, water
--₂ has particulars: Lake Mead
reservoir - tank used for collecting and storing a liquid (as water or oil)
--₃ is a kind of tank, storage tank
--₃ has particulars: cistern; sump; water tower
reservoir, source - anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies; "an infectious agent depends on a reservoir for its survival"
--₄ is a kind of thing