1) Announcer 2) Caller of the faithful 3) Muadhdhin 4) Muazzin 1) Crier 2) Muadhdhin 3) Muazzin 
Historically a muezzin would have recited the adhan or call to prayer by the minarets in order to be heard by those around the mosque. Now, mosques often have loudspeakers mounted on the top of the minaret and the muezzin will use a microphone, or the muezzin recording is played, allowing the call to prayer to be heard at great distances without c...
• (n.) A Mohammedan crier of the hour of prayer.
in Islm, the official who proclaims the call to prayer (adhn) on Friday for the public worship and the call to the daily prayer (alt) five times a ... [3 related articles]
Mu·ez'zin (mu*ĕz'zĭn) noun [ Arabic ] A Mohammedan crier of the hour of prayer. [ Written also mouezzin , mueddin , and muwazzin .]
The official of a mosque whose duty it is to call the faithful to prayer. Also see: minaret.
[n] - the Moslem official of a mosque who summons the faithful to prayer from a minaret five times a day
muazzin noun the Muslim official of a mosque who summons the faithful to prayer from a minaret five times a day
(Arabic) a person whose job is to perform the call to prayer five times a day from the minaret of a Muslim mosque
the crier who, from a minaret or other high part of a mosque, at stated hours five times daily, intones aloud the call summoning Muslims to prayer.