Entry 3 senses · 2 variants Webster, 1913 Moro /(mō"rō̇)/ · Mo·ro · IPA /ˈmɔɹoʊ/ n. prop. n. 01 n. A small abscess or tumor having a resemblance to a mulberry. 1. A small abscess or tumor having a resemblance to a mulberry.(Med.) 02 prop. n. A member of any of the Moros, a group one of various tribes of the southern Phillippine Islands, mostly Malays adhering to Islam. pl. Moros ((mō"rō̇s)) 1. A member of any of the Moros, a group one of various tribes of the southern Phillippine Islands, mostly Malays adhering to Islam.(Ethnol.) See: Moros 2. Any of the languages of the Moro people, of the Austronesian language family.(Linguistics)