# brainlet

> English word · Noun

## Definitions
1. A subcomponent of a brain or thinking system.
2. The cerebellum.
3. A small brain; the brain of someone or something small or of someone who is not very intelligent.
4. A dolt; a fool; someone having a small brain.

## Etymology
From brain + -let.

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