Save Gender Masculine Usage History Scripts จุฬาลงกรณ์(Thai) Pronounced Pron. choo-la-long-KAWN(Thai) [key·IPA] Other Forms FormsChulalongkon Meaning & History From Thai จุฬา (chula) meaning "excellent, beautiful" and อลงกรณ์ (alongkon) meaning "decoration, ornament". This was the name of the fifth king of Siam (1853-1910), who is also known as Rama V.