muezzin
Concise Oxford English Dictionary © 2008 Oxford University Press:
muezzin /muːˈɛzɪn/
▶noun a man who calls Muslims to prayer from the minaret of a mosque.
– origin C16: dial. var. of Arab. mu'aḏḏin, active part. of aḏḏana' ‘proclaim’.
'muezzin' also found in these Oxford entries:

