Antares

[ an-tair-eez, -tar- ]
/ ænˈtɛər iz, -ˈtær- /

noun Astronomy.

a red supergiant star of the first magnitude in the constellation Scorpius.

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British Dictionary definitions for antares

Antares
/ (ænˈtɛəriːz) /

noun

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