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noun

orca

AW-kuh

Orca (noun) means the killer whale, a large black-and-white marine mammal related to dolphins. Example: “A pod of orcas circled the boat, hunting for seals.”

noun
1
The killer whale, a large black-and-white marine mammal related to dolphins.
"A pod of orcas circled the boat, hunting for seals."
"Orcas are highly intelligent and hunt in coordinated groups."

How to use orca

Learner’s notes

In plain EnglishThe proper name for the killer whale.

Common mistake

Despite the nickname "killer whale," orcas are actually the largest member of the dolphin family, not true whales.

Common pairings
a pod of orcas orca whale

Word forms

orcas plural, orca plural

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Test yourself on “orca” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

A pod of _____ circled the boat, hunting for seals.

Etymology

From Latin orca, meaning both "cask" and "a kind of whale" — the exact link between those two senses is unclear.

Origin: Latin

Frequently asked questions

What does “orca” mean?

The word “orca” means the killer whale, a large black-and-white marine mammal related to dolphins. In plain terms, the proper name for the killer whale.

How do you pronounce “orca”?

“Orca” is pronounced AW-kuh (/ˈoɹkə/ in IPA).

How do you use “orca” in a sentence?

Here is “orca” used in a sentence: “A pod of orcas circled the boat, hunting for seals.”

What part of speech is “orca”?

“Orca” is a noun.

Where does the word “orca” come from?

The word “orca” comes from Latin. From Latin orca, meaning both "cask" and "a kind of whale" — the exact link between those two senses is unclear.

Definitions: FreeDict original editorial