# maar

> English word · Noun · IPA /mɑː/ · frequency rank #57,536

## Definitions
1. A broad volcanic crater, usually filled with water to form a lake.

## Etymology
Borrowed from German Maar; English usage from 1825, from Vulgar Latin *mara (“standing water”), from Latin mare (“sea”). Doublet of mare (“a large, dark plain; a lake on Titan”) and mere (“a body of standing water”).

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