harmony: Meaning and Definition of

har•mo•ny

1. agreement; accord; harmonious relations.
2. a consistent, orderly, or pleasing arrangement of parts; congruity.
1. any simultaneous combination of tones.
2. the simultaneous combination of tones, esp. when blended into chords pleasing to the ear; chordal structure, as distinguished from melody and rhythm.
3. the science of the structure, relations, and practical combination of chords.
4. an arrangement of the contents of the Gospels, either of all four or of the first three, designed to show their parallelism, mutual relations, and differences.