# killer whale

> English word · Noun

## Definitions
1. A sea mammal related to dolphins and porpoises (Orcinus orca).

## Etymology
Calque or mistranslation of Spanish asesina-ballenas (“whale killer”), referring to their tendency to hunt whales.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/killer-whale