CHORD, noun 1. The string of a musical instrument. 2. In music, the union of two or more sounds uttered at the same time, forming an entire harmony; as a third, fifth and eighth, which are perfect chords, or consonancies. The fourth and sixth are imperfect chords. 3. In geometry, a right line drawn or supposed to extend from one end of an arch of a circle to the other. Hence the chord of an arch is a right line joining the extremities of that arch. CHORD, verb transitive To string.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI