# trophosome

> English word · Noun

## Definitions
1. The group of nutritive zooids of a hydrozoan.
2. The mass of chemolithoautotrophic bacteria in a pogonophoran that metabolizes sulfide.
3. An organ found in some animals, located in the coelomic cavity, that houses symbiotic bacteria, which in turn provide nutrients to the host animal.

## Etymology
From tropho- + -some.

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