Source : Webster's Revised Unabridged Dictionary (1913)

Moros \Mo"ros\, n. pl.; sing. {Moro}. [Sp., pl. of Moro Moor.]
   (Ethnol.)
   The Mohammedan tribes of the southern Philippine Islands,
   said to have formerly migrated from Borneo. Some of them are
   warlike and addicted to piracy.