THESEUS Meaning of THESEUS in English The ‧ se ‧ us /ˈθiːsiəs/ BrE AmE in ancient Greek stories, a ↑ hero from Athens who killed the ↑ Minotaur and married the queen of the ↑ Amazon s Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012