- a brass instrument similar to the trumpet in pitch and construction but more compact and with a deeper mouthpiece
- a piece of paper twisted like a cone, for holding sugar, candy, etc.
- a cone-shaped piece of pastry, often filled as with whipped cream
- the spreading, white headdress of a Sister of Charity
Origin of cornetMiddle English and OFr, diminutive of corn, a horn from Classical Latin cornu, horn