WordWeight : Weighing the Words

Pronunciation : Mu"sic
Part of Speech : n.
Etymology : [F. musique, fr. L. musica, Gr.
Definition : 1. The science and the art of tones, or musical sounds, i.e., sounds of higher or lower pitch, begotten of uniform and synchronous vibrations, as of a string at various degrees of tension; the science of harmonical tones which treats of the principles of harmony, or the properties, dependences, and relations of tones to each other; the art of combining tones in a manner to please the ear.

Note: Not all sounds are tones. Sounds may be unmusical and yet please the ear. Music deals with tones, and with no other sounds. See Tone.
Source : Webster's Unabridged Dictionary, 1913