# megaregolith

> English word · Noun

## Definitions
1. A layer of fractured bedrock beneath the lunar regolith

## Etymology
From mega- + regolith.

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