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noun Astronomy.
  1. a double star in the middle of the constellation Ursa Major.

Origin of Mizar

From the Arabic word miʾzar literally, apron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mizar

Historical Examples

  • My wife says, Give my love to brother, and tell him of the scene at "the hill Mizar."

    Bertha and Her Baptism

    Nehemiah Adams

  • It is known as Mizar, and is the middle star (ζ) of the three which form the tail.

    The Story of the Heavens

    Robert Stawell Ball

  • Mizar, the Horse, is the star at the bend of the handle of the Dipper.

  • This star is usually known as Mizar, a name given to it by the Arabians.

    Astronomy of To-day

    Cecil G. Dolmage

  • One of them is especially remarkable: ζ, known as Mizar to the Arabs.

    Astronomy for Amateurs

    Camille Flammarion

British Dictionary definitions for mizar


  1. a multiple star having four components that lies in the Plough in the constellation Ursa Major and forms a visible binary with the star Alcor. Visual magnitude: 2.1; spectral type: A2V

Word Origin

from Arabic mi'zar cloak
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