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A binary star in the constellation Taurus, 68 light years from Earth, and one of the brightest stars in the sky.
[Middle English Aldeboran, from Medieval Latin Aldebaran, from Arabic ad-dabarān : al-, the + dabarān, following (the Pleiades) (from dabara, to follow; see dpr in Semitic roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Astronomy) a binary star, one component of which is a red giant, the brightest star in the constellation Taurus. It appears in the sky close to the star cluster Hyades. Visual magnitude: 0.85; spectral type: K5III; distance: 65 light years
[C14: via Medieval Latin from Arabic al-dabarān the follower (of the Pleiades)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Al•deb•a•ran(ælˈdɛb ər ən)
a first-magnitude star, orange in color, in the constellation Taurus.
[< Arabic al the + dabarān follower]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A very bright binary star in the constellation Taurus. See Note at Rigel.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.