What Is A Chord?

Chord can mean several things depending on the context. It is term used in various subjects like aircraft, music, geometry and concurrency. As the context here is not mentioned I have based this answer on the meaning of a chord in musical terminology. A chord can be defined as a collection of notes and pitches which are played simultaneously and concurrently. There are different types of chords.

As per western music a chord would have at least three notes played at the same time. The notes consisting of a chord may differ according to the style of music. Chords are created with the notes found on a scale and by superimposing different notes with each other. Chord is also a term found in other topics like geometry and aeronautical engineering. You can check of the meaning of chord in these contexts through books or websites on the internet.