Chord

Chord may mean:

Chord (geometry), a line segment joining two points on a curve
Chord (graph theory), an edge joining two not-adjacent nodes in a cycle
Chord (music), three or more notes sounded simultaneously
Chord (aviation), the distance between the front and back of a wing, measured in the direction of the normal airflow. The term chord was selected due to the curved nature of the wing's surface.
Chord (computing), a distributed hash table protocol
Chord (computing), a concurrency construct in some object-oriented programming languages

Chord may also refer to:

Mouse chording or a chorded keyboard, where multiple buttons are held down simultaneously to produce a specific action