# backerboard

> English word · Noun

## Definitions
1. A board used behind or under other material, often as support.
2. A board used behind or under other material, often as support.
3. A board used behind or under other material, often as support.

## Etymology
From backer + board.

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