RhymeZone: adhan definitions

Definitions of adhan:

noun: (Islam) The call to prayer, which consisted originally of simply four takbirs followed by the statement لَا إِلٰهَ إِلَّا ٱلله (lā ʾilāha ʾillā llāh) (أَشْهَدُ أَنْ) ((ʾašhadu ʾan)).

(Definitions from Wiktionary)