- Concordant; musical; consonant; as, harmonic sounds. - Relating to harmony, -- as melodic relates to melody;
harmonious; esp., relating to the accessory sounds or overtones which
accompany the predominant and apparent single tone of any string or
sonorous body. - Having relations or properties bearing some resemblance
to those of musical consonances; -- said of certain numbers, ratios,
proportions, points, lines. motions, and the like.