# thalamus

> English word · Noun · IPA /ˈθæləməs/ · frequency rank #57,122

## Definitions
1. Either of two large, ovoid structures of grey matter within the forebrain that relay sensory impulses to the cerebral cortex.
2. The receptacle of a flower; a torus.
3. A thallus.
4. An inner room or nuptial chamber.

## Etymology
From Latin thalamus, from Ancient Greek θάλαμος (thálamos, “an inner chamber, a bedroom, a bed”).

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