Obs. rare. [f. Gr. τετρα-, TETRA- + λόγος speech, word, etc., after monologue, dialogue: cf. next.] A conversation between four persons or parties; also = TETRALOGY.
1649. Roberts, Clavis Bibl., 384. This song is also digested in forme … of a Tetralogue betwixt the Bridegroom, Christ; the Bridegrooms friends,… The Bride her selfe,… And The Churches Companions.
1822. T. Mitchell, Aristoph., I. p. cxxvi. The works of Plato are usually divided into tetralogues.
