Chamorro UK /t͡ʃəˈmɒɹəʊ/US /t͡ʃəˈmɔɹoʊ/adjective 1noun 1forms 1 adjective1 •Pertaining to the indigenous native islanders of the Mariana Islands consisting of Guam, Saipan, Rota, and Tinian. noun1 •An indigenous native islander of the Mariana Islands consisting of Guam and Northern Mariana Islands of Saipan, Rota, and Tinian. formsChamorros