Orion

[ uh-rahy-uhn ]

noun,genitive Or·i·o·nis [awr-ee-oh-nis, or-, uh-rahy-uh-nis] /ˌɔr iˈoʊ nɪs, ˌɒr-, əˈraɪ ə nɪs/ 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.

  1. 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.

Words Nearby Orion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use Orion in a sentence

  • And yet there are millions of stars whose distances are even greater than the distance of the Great Nebula in Orion.

    God and my Neighbour | Robert Blatchford
  • The River, formed of stars, flows from a source at the left foot of Orion.

  • The road got steadily worse, but Orion was clear in view ahead of me, dropping down behind Uttoxeter, and I pushed on.

    The Yeoman Adventurer | George W. Gough
  • One day they saw Orion, a great hunter, coming toward them with his dog and his big club.

  • They named him Orion—after the constellation, perhaps—though they changed the accent to the first syllable, calling it Orion.

British Dictionary definitions for Orion (1 of 2)

Orion1

/ (əˈraɪən) /


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

British Dictionary definitions for Orion (2 of 2)

Orion2

/ (əˈraɪən) /


nounLatin 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

Scientific definitions for Orion

Orion

[ ō-rīən ]


  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.