a. [f. L. concinn-us (see prec.) + -OUS.]
1. Fitly put together or arranged, harmonious; agreeable, elegant, graceful. rare.
1662. Glanvill, Lux. Orient., i. (1682), 3. Till something else appear more concinnous and rational.
† 2. Mus. Harmonious. Obs.
Concinnous discord (or interval): a discord or dissonant interval that can be used in harmony.
1654. Charleton, Physiologia, 227. The Concinnous, or Harmonical Sound … called … in our language the Twang.
1694. W. Holder, Harmony, ix. (1731), 147. Those [discords] only here consider’d, which are (as the Greeks term’d them) ἐμμελῆ, Concinnous, apt and useful in Harmony.
1727–51. Chambers, Cycl., s.v., Discords are distinguished into concinnons and inconcinnous intervals.
1746. Phil. Trans., XLIV. 269. A Scale adapted only to the concinnous Constitution of one Key.
1760. Stiles, Anc. Grk. Music, ibid. LI. 721. The mutations by concinnous intervals.
1837. Penny Cycl., VII. 434/1. Concininous intervals, in Music, are the various concords.
3. Characterized by concinnity or studied elegance of style.
1831. De Quincey, Whiggism, VI. 123. That most concinnous and rotund of professors, Mr. Heyne.
Hence Concinnously adv.
1727–51. Chambers, Cycl., s.v. Concinnous, A system is said to be concinnous, or concinnously divided, when the parts thereof, considered as simple intervals, are concinnous.
