noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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General-American:/ˈoɹkə/
Received-Pronunciation:/ˈɔːkə/
rhymes with -ɔː(ɹ)kə
Canada:Recorded audio is listed in the source snapshot.
CMU ARPABET:AO1 R K AH0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A sea mammal (Orcinus orca) related to dolphins and porpoises, commonly called the killer whale.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Learned borrowing from Latin orca (“tun, cask; whale”), see there for more. Although the origin is obscure, the sometimes-cited association with orcus (“underworld”) is folk-etymology. Doublet of orc.
Across languages
Translations
83 source translations are retained for this English entry.