# weathercock

> English word · Noun

## Definitions
1. A weather vane, sometimes in the form of a cockerel.
2. One who veers with every change of current opinion; a fickle, inconstant person.
3. A kind of wind pump whose top behaves like a weather vane, moving with the wind direction, but which also has a wheel attached to measure wind speed.

## Etymology
From Middle English wetharcoke, weþercok, wedercoc, wederkok, equivalent to weather + cock.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/weathercock