Save Gender Masculine & Feminine Usage English (Rare) Pronounced Pron. /æk.wə.mə.ˈɹiːn/, /ɑ.kwə.mə.ˈɹiːn/ [key·simplify] Meaning & History From the name of the gemstone or colour, which is from Latin aqua + marīna which means "sea water", adjective form from mare meaning “sea”.