chord¹ / kôrd/ • n. a group of (typically three or more) notes sounded together, as a basis of harmony: a G major chord.• v. [intr.] [usu. as n.] (chording) play, sing, or arrange notes in chords.DERIVATIVES: chord·al / ˈkôrdl/ adj.chord² • n. 1. Math. a straight line joining the ends of an arc. ∎  Aeron. the width of an airfoil from leading to trailing edge. ∎  Engineering each of the two principal members of a truss.2. Anat. variant spelling of cord: spinal chord.3. poetic/lit. a string on a harp or other instrument.PHRASES: strike (or touch) a chord affect or stir someone's emotions. [ORIGIN: with figurative reference to the emotions being the ‘strings’ of the mind visualized as a musical instrument.]

chord In music, the simultaneous occurrence of three or more musical tones of different pitch. Chords are categorized as anomalous, characteristic, common, inverted or transient. See also harmony