# reservoir

> English word · Noun · IPA /ˈɹɛz.ə.vwɑː(ɹ)/ · frequency rank #8,341

## Definitions
1. A place where anything is kept in store.
2. A large natural or artificial lake used as a source of water supply.
3. A small intercellular space, often containing resin, essential oil, or some other secreted matter.
4. A supply or source of something.
5. A species that acts as host to a zoonosis when it is not causing acute illness in other susceptible species.
6. A "black box" component that receives an input signal to be read out and mapped by another process, as part of reservoir computing.

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

## Common misspellings (13)
`erservoir`, `reesrvoir`, `reserovir`, `reserrvoir`, `reservior`, `reservoirr`, `reservori`, `reservvoir`, `resevroir`, `resrevoir`, `resservoir`, `rreservoir`, `rseervoir`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/reservoir