# placozoan

> English word · Noun

## Definitions
1. Any of a group of balloon-shaped marine organisms, of the phylum Placozoa, considered to be the simplest living animals.

## Etymology
Placozoa + -an; compare protozoan, protozoon.

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