Webster's New World
A black-and-white toothed whale (Orcinus orca) that feeds on large fish, squid, and marine mammals such as seals and other whales and dolphins.
Other Word Forms of Orca
Origin of Orca
Latin ōrca whale probably alteration (probably influenced by ōrca vessel) of Greek orux orug- pickax, a kind of large fish or whale perhaps from orussein to dig
From American Heritage Dictionary of the English Language, 5th Edition
From Latin orca (“whale").
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