Proper noun

1. An indigenous native islander of the Mariana Islands consisting of Guam, Saipan, Rota, and Tinian.
2. An Austronesian language spoken by the indigenous native islanders of the Northern Mariana Islands and Guam.

Adjective

1. Pertaining to the indigenous native islanders of the Mariana Islands consisting of Guam, Saipan, Rota, and Tinian.