har·mo·ny
[hahr-muh-nee]
noun, plural -nies.
1. agreement; accord; harmonious relations.
2. a consistent, orderly, or pleasing arrangement of parts; congruity.
3. Music .
a. any simultaneous combination of tones.
b. the simultaneous combination of tones, especially whenblended into chords pleasing to the ear; chordal structure,as distinguished from melody and rhythm.
c. the science of the structure, relations, and practicalcombination of chords.
4. an arrangement of the contents of the Gospels, either of allfour or of the first three, designed to show their parallelism,mutual relations, and differences.