sabian

from The Century Dictionary.

• noun A Mandæan (which see).
• Pertaining to the religion and rites of the Sabians.
• noun A worshiper of the host of heaven; an adherent of an ancient religion in Persia and Chaldea, the distinctive feature of which was star-worship. Also called Tsabian.

from the GNU version of the Collaborative International Dictionary of English.

• noun An adherent of the Sabian religion; a worshiper of the heavenly bodies.
• adjective Of or pertaining to Saba in Arabia, celebrated for producing aromatic plants.
• adjective Relating to the religion of Saba, or to the worship of the heavenly bodies.