Mohammedan /(?)/

Mo·ham·med·an

Mohammedan

a.
  1. Of or pertaining to Mohammed, or the religion and institutions founded by Mohammed; in the latter sense, synonymous with Islamic, a more preferred term.

Mohammedan

n.
  1. A follower of Mohammed, the founder of Islam; one who professes Islam; -- this term is widely considered archaic or in some cases even offensive.