# megalith

> English word · Noun · IPA /ˈmɛɡəlɪθ/

## Definitions
1. A large stone slab making up a prehistoric monument, or part of such a monument.
2. A prehistoric monument made up of one or more large stones.
3. A large stone or block of stone used in the construction of a modern structure.

## Etymology
PIE word
 *méǵh₂s
From mega- (prefix meaning ‘very large, great’) + -lith (suffix meaning ‘stone’), a back-formation from megalithic probably modelled after monolith. from Ancient Greek λίθος (líthos, “stone”)

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