from The American Heritage® Dictionary of the English Language, 5th Edition.

  • In Zoroastrian tradition, the Iranian prophet who founded Zoroastrianism. The Avesta describes his reception of a revelation from Ahura Mazda and other events in his life, traditionally dated to the 6th century BC.

from The Century Dictionary.

  • noun In zoology, a genus of starfishes, giving name to the Zoroasteridæ, and containing such species as Z. fulgens, of the North Atlantic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • proper noun The prophet of the ancient Iranian religion Zoroastrianism
  • proper noun Pseudepigraphic name used by various Greek and Latin authors of late antiquity to lend their opinions weight
  • proper noun Ostensible source/founder of Mithraism, the "mysteries" of the Roman Mysteriae Mithrae ("Mysteries of Mithras", "Mithraic Mysteries"), an astrology-centric, middle-platonic mystery cult of the 1st-4th century Roman Empire whose adherents worshiped in "caves" (i.e. Mithraea) in imitation of "Zoroaster". (Porphyry, De Antro Nympharum 6)

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun Persian prophet who founded Zoroastrianism (circa 628-551 BC)


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek Ζωροάστρης (Zōroastrēs), from Avestan 𐬰𐬀𐬭𐬀𐬚𐬎𐬱𐬙𐬭𐬋 (Zaraθuštrō).


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