[ad. Gr. τριταγωνιστής an actor who plays the third part, f. τρίτος third + ἀγωνιστής combatant, actor.] The third actor in a Greek tragedy.
1890. Athenæum, 28 June, 841/3. Creon, although said to be the tritagonist, entered by the central door.
1907. A. E. Haigh, Attic Theatre, 283. The tritagonist took what in modern times would be called the ‘heavy’ parts.
