[an-tair-eez, -tar-]

noun Astronomy.

a red supergiant star of the first magnitude in the constellation Scorpius. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for antares

Historical Examples of antares

  • The star ι Libræ is about 20° northwest of Antares in the Scorpion.

    A Field Book of the Stars

    William Tyler Olcott

  • The Swiftwing ships out tonight, Bartol—for Antares and beyond.

    The Colors of Space

    Marion Zimmer Bradley

  • When you get to the Antares we'll give each of the boys a full shot of kwil.

    The Star Hyacinths

    James H. Schmitz

  • Antares is probably a binary, although its binary character has not yet been established.

  • Antares and Aldebaran are by some authorities considered to be cooling suns.

British Dictionary definitions for antares



the brightest star in the constellation Scorpius. It is a variable binary star whose main component, a red supergiant, is associated with a fainter green component. Visual magnitude: 1.2 (red), 6.8 (green); spectral type: M1.5Ib (red); distance: 600 light years

Word Origin for Antares

from Greek Antarēs, literally: simulating Mars (in colour), from anti- + Arēs Mars
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

Word Origin and History for antares


bright star in Scorpio, from Greek Antares, from anti Ares "rival of Mars," in reference to its red color, which resembles that of Mars. See anti- + Ares.

Online Etymology Dictionary, © 2010 Douglas Harper