Definition & Meaning of "chord"

What is a "chord"?

A chord is a group of three or more musical notes played together simultaneously. These notes are typically chosen to create a harmonious sound, and they work together to form the basis of harmony in a piece of music. For example, a basic chord might include a root note, a third, and a fifth note, creating a rich sound that supports melodies. Chords are used to provide structure and emotion in music, and they help to define the harmonic framework of a song or composition.