# stopcock

> English word · Noun · IPA /ˈstɑpkɑk/

## Definitions
1. A valve, tap or faucet which regulates the flow of liquid or gas through a pipe.
2. A main shutoff for water to a home from a municipal supply. Usually these valves exist in pairs, one outside the property boundary and one inside the property boundary.

## Etymology
From stop + cock.

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