Antares Definition

ăn-târēz, -tăr-
noun
A giant red binary star, the brightest in the constellation Scorpio, about 424 light years from Earth.
American Heritage
A red, supergiant, binary, variable star, the brightest star in the constellation Scorpius: magnitude, 1.06
Webster's New World
pronoun

(astronomy) A proper name for Alpha Scorpii (α Sco), the brightest star in the constellation Scorpius. It is a M type red giant, and is a binary with a B type companion visible in greenish.

Wiktionary

Origin of Antares

  • Greek Antarēs anti- rival of anti– Arēs Ares, the planet Mars

    From American Heritage Dictionary of the English Language, 5th Edition

  • Borrowing from Latin Antares.

    From Wiktionary

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