# sideburden

> English word · Noun

## Definitions
1. The rock and subsoil that lies next to a mineral deposit such as a coal seam.

## Etymology
From side + burden.

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