NOUN (1)

1. follower of Zoroaster and Zoroastrianism;


ADJECTIVE (1)

1. of or pertaining to Zoroaster or the religion he founded;

The Collaborative International Dictionary of English v.0.48:

Zoroastrian \Zo`ro*as"tri*an\, a.
   Of or pertaining to Zoroaster, or his religious system.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Zoroastrian \Zo`ro*as"tri*an\, n.
   A follower of Zoroaster; one who accepts Zoroastrianism.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Zoroastrian
    adj 1: of or pertaining to Zoroaster or the religion he founded
    n 1: follower of Zoroaster and Zoroastrianism