Chord - Definition and Overview

• A chord is a geometric figure.

• In music theory a chord is a number of pitches, usually at least three, sounded simultaneously (or nearly so). Some particular kinds of chord are named according to the notes of the scale that they contain.

• In reference to aircraft, chord refers to the distance between the front and back of a wing, referred to as the leading and trailing edges, measured in the direction of the normal airflow. The term chord was selected due to the curved nature of the wings surface.

• Chord is a distributed hash table-based file sharing network.

• In computing, a chord could refer to mouse chording or a chorded keyboard, where multiple buttons are held down to produce a specific action or to type a character.