a. rare. ? Obs. [f. Gr. σύμφωνος (see next) + -OUS.] = SYMPHONIOUS 1. (In first quot. ironical.)
1814. Q. Rev., April, 97. The symphonous expression mullygrubs.
1831. J. Wilson, in Blackw. Mag., XXX. 403. Hear! hear! bursts in symphonous cadence from the manly bass of Grahame.