# cetacean

> English word · Adjective · IPA /sɪˈteɪʃən/ · frequency rank #75,710

## Definitions
1. Pertaining to the zoologic infraorder Cetacea, or associated with species falling under that taxonomic hierarchy.
2. Resembling or relating to large aquatic mammals.

## Etymology
From translingual Cetacea, from Latin cētus (“whale”), + -an.

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