- a valved wind instrument of the trumpet family.
- a small cone of paper twisted at the end and used for holding candy, nuts, etc.
- a pastry cone, usually filled with whipped cream.
- a conical wafer, as for ice cream; cone.
- a large, white, winged headdress formerly worn by the members of the Sisters of Charity.
- a woman's headdress, often cone-shaped, usually of delicate fabrics and having lappets of lace or other material, worn by women from the 14th to the 18th century.
- a pennant or flag used for signaling in a navy.
- (formerly) the officer who carried the colors in a troop of cavalry: the cornet of horse.
- a three-valved brass instrument of the trumpet family. Written range: about two and a half octaves upwards from E below middle C. It is a transposing instrument in B flat or A
- a person who plays the cornet
- a variant spelling of cornett
- a cone-shaped paper container for sweets, etc
- a cone-shaped wafer container for ice cream
- (formerly) the lowest rank of commissioned cavalry officer in the British army
- Southern African short for field cornet
- a starched and wired muslin or lace cap worn by women from the 12th to the 15th centuries
- the large white headdress of some nuns
