| 1. | agreement; accord; harmonious relations. |
| 2. | a consistent, orderly, or pleasing arrangement of parts; congruity. |
| 3. | Music.
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| 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. |

har·mo·ny (här'mə-nē) n. pl. har·mo·nies
[Middle English armonie, from Old French, from Latin harmonia, from Greek harmoniā, articulation, agreement, harmony, from harmos, joint; see ar- in Indo-European roots.] |
The sounding of two or more musical notes at the same time in a way that is pleasant or desired. Harmony, melody, and rhythm are elements of music.