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orca
Language
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Pronunciation
change
(
US
)
IPA
(
key
)
:
/ˈɔrkə/
(
UK
)
IPA
(
key
)
:
/ˈɔː(r).kə/
Audio (CA)
(
file
)
Noun
change
Singular
orca
Plural
orcas
or
orca
An
orca
.
An
orca
is a sea
mammal
that is related to
dolphins
and
porpoises
. It is commonly called the
killer whale
.