Drone – A harmonic effect or accompaniment where two notes are continuously sounded through most of a piece

(Pronounced drohn)

To remember what drone means, use the following mnemonic:

The drones (drone) emit a harmonic effect continuously throughout the piece of music.

Examples of drone in a sentence

Throughout the classical piece was a continuous drone. 

A drone was used in the film score to create tension. 

The drone built in volume throughout the track.