# erw

> English word · Noun · IPA /ˈɛɹuː/

## Definitions
1. A medieval Welsh unit of surface area equal to 11664 sq ft, or about ¼ acre.

## Etymology
Borrowed from Welsh erw.

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