noun pl. harmonies -·nies

1. a combination of parts into a pleasing or orderly whole; congruity
2. agreement in feeling, action, ideas, interests, etc.; peaceable or friendly relations
3. a state of agreement or orderly arrangement according to color, size, shape, etc.
4. an arrangement of parallel passages of different authors, esp. of the Scriptures, so as to bring out corresponding ideas, qualities, etc.
5. agreeable sounds; music
6. Music
   1. the simultaneous sounding of two or more tones, esp. when satisfying to the ear
   2. structure in terms of the arrangement, modulation, etc. of chords
   3. the study of this structure

Etymology: ME armony < OFr harmonie < L harmonia < Gr < harmos, a fitting < IE base *ar- > art, arm