Origin of orcaL: see orc
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. Also called killer whale .
Origin of orcaLatin ōrca whale probably alteration ( probably influenced by ōrca vessel ) of Greek orux orug- pickaxe, a kind of large fish or whale perhaps from orussein to dig
From Latin orca (“whale").