# Meridiani Planum

> English word · Proper noun

## Definitions
1. a plain on the surface of Mars; a landing site for several unmanned missions

## Etymology
Latin

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