Rafflesian /ɹəˈfliː.ʒən/adjective 2noun 1forms 1 adjective2 •Of or relating to Sir Stamford Raffles, a British colonial statesman known for his founding of modern Singapore and British Malaya. •(Singapore) Of or relating to an educational institution named after Sir Stamford Raffles.Raffles Junior College, which is 11 years old, is part of the Rafflesian family, and so falls under the umbrella of the Old Rafflesian Association. — 1992 noun1 •(Singapore) A current or former student of an educational institution named after Sir Stamford Raffles.One does not, of course, have to read this article to know the character of this old boy [David Saul Marshall]. Many a praise is yet sung by the school and its pupils of this old Rafflesian. — 1989 formsRafflesians