Webster's Revised Unabridged Dictionary · 1913

Chord

Chord (kôrd) , noun

[L chorda a gut, a string made of a gut, Greek 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.
(Music) A combination of tones simultaneously performed, producing more or less perfect harmony, as, the common chord.
3.
(Geometry) A right line uniting the extremities of the arc of a circle or curve.
4.
(Anatomy) A cord. See Cord, n., 4.
5.
(Engineering) The upper or lower part of a truss, usually horizontal, resisting compression or tension. — Waddell
Collocations (4)
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.

Chord , transitive verb

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

Chord , intransitive verb

(Music) To accord; to harmonize together; as, this note chords with that.