orca

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or·ca

 (ôr′kə)
n.
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.

[Latin 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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

orca

(ˈɔːkə)
n, pl orcas or orca
1. (Animals) a killer whale
[C20: Latin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

kill′er whale′


n.
a large, predatory, black-and-white dolphin, Orcinus orca.
[1880–85]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

or·ca

(ôr′kə)
A large dolphin found in all the world's oceans, having a black body with a white underside and a tall, triangular dorsal fin. Orcas grow up to 30 feet (9.1 meters) in length. Also called killer whale.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.orca - predatory black-and-white toothed whale with large dorsal finorca - predatory black-and-white toothed whale with large dorsal fin; common in cold seas
dolphin - any of various small toothed whales with a beaklike snout; larger than porpoises
genus Orcinus, Orcinus - killer whales
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
косатка
kosatka
miekkavalas
háhyrningur
orkazwaardwalvis
orca
kosatka
References in periodicals archive ?
Balazs and his girlfriend Mel had been following a pod of orcas for around two hours before she suggested waiting at some rocks.
Hossam Taher's dream is to make life easier for young parents in Egypt through his start-up Orcas.
Last summer, after months of determined campaigning by PETA, leading travel provider Thomas Cook announced it would stop selling tickets to all parks that confine orcas in the name of entertainment.
Mum Morgan gave birth last September, despite SeaWorld's decision to end captive breeding of orcas.
Regulatory environmental laws in Canada have similarly failed the Orcas. The Canadian government refused an emergency order to protect the Orcas, and plans for the proposed Trans Mountain Pipeline and subsequent increased tanker traffic further threatens the Orcas' survival.
So orcas feel emotions, however exotically, which in turn strikes an emotional chord in us.
ALASKA, USA IF you want the best chance of seeing orcas in Alaska, you should head to the US state between early May and early June.
Researchers say that the orcas are threatened by marine noise from boats, water pollution and the decline of Chinook salmon populations
Orcas, also known as killer whales or blackfish, are the ocean's greatest, most efficient predators, and had long been hated and feared.