Webster's Revised Unabridged Dictionary · 1913

(Music) One of the harmonics faintly heard with and at a higher frequency than a fundamental tone as it dies away, produced by some aliquot portion of the vibrating sting or column of air which yields the fundamental tone; one of the natural harmonic scale of tones, as the octave, twelfth, fifteenth, etc.; an aliquot or “partial” tone; a harmonic. See Harmonic, and Tone. — Tyndall