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Added 9 October 2026

reservoir

/ˈɹɛz.ə.vwɑː/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about reservoir at Wordnik → Where our words come from →

A large or extra supply of something.
a reservoir of talent
Lake used to store water for community use.
Tank used for collecting and storing a liquid (as water or oil).

Origin

From French réservoir (“collection place”) (fig.), réservoir (“storehouse”) (lit.). in turn from French réserver (“to reserve, keep”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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