Thracian /ˈθɹeɪʃi.ən/noun 2adjective 1forms 1 noun2 •An inhabitant of Thrace, regardless of ethnicity. •A member of a group of tribes who spoke the language Thracian. (See Wikipedia's article on the Thracians.) adjective1 •Of or pertaining to Thrace or the Thracians or the extinct Thracian language. formsThracians