# FBD

> English word · Noun

## Definitions
1. Initialism of father's brother's daughter.
2. Initialism of free body diagram.
3. Initialism of familial British dementia.

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