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Orion

[uh-rahy-uh n] /əˈraɪ ən/
noun, genitive Orionis
[awr-ee-oh-nis, or-, uh-rahy-uh-nis] /ˌɔr iˈoʊ nɪs, ˌɒr-, əˈraɪ ə nɪs/ (Show IPA),
for 2.
1.
Classical Mythology. a giant hunter who pursued the Pleiades, was eventually slain by Artemis, and was then placed in the sky as a constellation.
2.
Astronomy. the Hunter, a constellation lying on the celestial equator between Canis Major and Taurus, containing the bright stars Betelgeuse and Rigel.
3.
Military. a land-based U.S. Navy patrol plane with four turboprop engines, used to detect, track, and destroy enemy submarines and armed with missiles, torpedoes, mines, and depth bombs.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for Orion
  • Canis minor was considered to be the smaller of the two hunting dogs of Orion.
British Dictionary definitions for Orion

Orion1

/əˈraɪən/
noun
1.
(Greek myth) a Boeotian giant famed as a great hunter, who figures in several tales

Orion2

/əˈraɪən/
noun (Latin genitive) Orionis (ˌɔːrɪˈəʊnɪs)
1.
a conspicuous constellation near Canis Major containing two first magnitude stars (Betelgeuse and Rigel) and a distant bright emission nebula (the Orion Nebula) associated with a system of giant molecular clouds and star formation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for Orion

bright constellation, late 14c., from Greek Oarion, name of a giant in Greek mythology, loved by Aurora, slain by Artemis, of unknown origin, though some speculate on Akkadian Uru-anna "the Light of Heaven." Another Greek name for the constellation was Kandaon, a title of Ares, god of war, and the star pattern is represented in many cultures as a giant (e.g. Old Irish Caomai "the Armed King," Old Norse Orwandil, Old Saxon Ebuðrung).

Online Etymology Dictionary, © 2010 Douglas Harper
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Orion in Science
Orion
  (ō-rī'ən)   
A constellation in the equatorial region of the celestial sphere, near Taurus and Gemini. Orion (the Hunter) contains the bright stars Betelgeuse and Rigel.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Orion in the Bible

Heb. Kesil; i.e., "the fool", the name of a constellation (Job 9:9; 38:31; Amos 5:8) consisting of about eighty stars. The Vulgate renders thus, but the LXX. renders by Hesperus, i.e., "the evening-star," Venus. The Orientals "appear to have conceived of this constellation under the figure of an impious giant bound upon the sky." This giant was, according to tradition, Nimrod, the type of the folly that contends against God. In Isa. 13:10 the plural form of the Hebrew word is rendered "constellations."

Easton's 1897 Bible Dictionary
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