/ Dictionary / Index A Aldebaran: Meaning and Definition of Find definitions for: Al•deb•a•ran Pronunciation: (al-deb'ur-un), [key] — n. a first-magnitude star, orange in color, in the constellation Taurus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aldebaran (Thesaurus) Aldan aldehyde Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language