Muhammadanism n 1: the monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran; "Islam is a complete way of life, not a Sunday religion"; "the term Muhammadanism is offensive to Muslims who believe that Allah, not Muhammad, founded their religion" [syn: {Islam}, {Islamism}, {Mohammedanism}, {Muhammadanism}, {Muslimism}]
Muhammadanism \Mu*ham"mad*an*ism\, n. Mohammedanism. [1913 Webster]