chordn.[L chorda a gut, a string made of a gut, Gr. chordh`. In the sense of a string or small rope, in general, it is written cord. See Cord.]1. The string of a musical instrument.(Milton.)2. (Mus.) A combination of tones simultaneously performed, producing more or less perfect harmony, as, the common chord.()3. (Geom.) A right line uniting the extremities of the arc of a circle or curve.()4. (Anat.) A cord. See Cord, n., 4.()5. (Engin.) The upper or lower part of a truss, usually horizontal, resisting compression or tension.(Waddell.)Accidental, Common, and Vocal chords. See under Accidental, Common, and Vocal. -- Chord of an arch. See Illust. of Arch. -- Chord of curvature, a chord drawn from any point of a curve, in the circle of curvature for that point. -- Scale of chords. See Scale.()v. t. To provide with musical chords or strings; to string; to tune.()When Jubal struck the chorded shell. (Dryden.)Even the solitary old pine tree chords his harp. (Beecher.)v. i. (Mus.) To accord; to harmonize together; as, this note chords with that.()n.[NL., fr. L. chorda. See Chord.] (Anat.) A cord.()Chorda dorsalis (). [NL., lit., cord of the back.] (Anat.) See Notochord.()