chord (Noun) — A straight line connecting two points on a curve.
chord (Noun) — A combination of three or more notes that blend harmoniously when sounded together.
chord (Noun) — (aeronautics) the distance between the leading and trailing edge of a wing, measured in the direction of the normal airflow.
chord (Noun) — (engineering) a horizontal member of a truss.
chord (Verb) — (music) play chords on (a string instrument).
chord (Verb) — (music) bring into consonance, harmony, or accord while making music or singing.