Save Gender Feminine & Masculine Usage Thai, Khmer Scripts รัตนา(Thai) រតនា(Khmer) Pronounced Pron. rat-ta-NA(Thai) [key·IPA] Other Forms FormsRatthana, Ratana, Rathana Meaning & History Means "precious gem, jewel" in Thai and Khmer, ultimately from Sanskrit रत्न (ratna).