the killer whale, Orcinus orca.

1865–70; < Neo-Latin, Latin; see orc

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin & History

"killer whale," 1846, introduced as a generic term for the species by J. Richardson & J.E. Gray in "The zoology of the voyage of HHS 'Erebus' & 'Terror,' " from L. orca "cetacean, a kind of whale." Earlier in Eng., orc, ork "large whale" (c.1590), from Fr. orque, had been used vaguely of sea monsters
(see orc).
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

Orca definition

Vrije Universiteit, Amsterdam, 1986. Similar to Modula-2, but with support for distributed programming using shared data objects, like Linda. A 'graph' data type removes the need for pointers. Version for the Amoeba OS, comes with Amoeba. "Orca: A Language for Distributed Processing", H.E. Bal bal@cs.vu.nl et al, SIGPLAN Notices 25(5):17-24 (May 1990).

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
And the reason, oddly enough, has to do with orca whales.
Three marine-mammal experts and two former orca trainers also joined the suit.
The paddle adventure meanders through orca, porpoise and whale watching corridors and into quiet coves that teem with wildlife.
Up-close encounters with icebergs, orca and humpback whales and seabirds are common.
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