French horn

noun

: a circular valved brass instrument having a conical bore, a funnel-shaped mouthpiece, and a usual range from B below the bass staff upward for more than three octaves

Illustration of French horn

Word History

First Known Use

1682, in the meaning defined above

Kids Definition

French horn

noun

: a circular brass musical instrument with a large opening at one end and a mouthpiece shaped like a small funnel