# Chaco

> English word · Proper noun · frequency rank #53,432

## Definitions
1. A province in northern Argentina.
2. Swamped area in southern South America

## Etymology
Borrowed from Spanish Chaco.

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