# filter bed

> English word · Noun · IPA /ˈfɪltə bɛd/

## Definitions
1. A layer of gravel, sand, or other material through which liquid is passed in order to remove impurities; also, a pond or tank containing such a layer.

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