Definition of cornet

• n. - An obsolete rude reed instrument (Ger. Zinken), of the oboe family.
• n. - A brass instrument, with cupped mouthpiece, and furnished with valves or pistons, now used in bands, and, in place of the trumpet, in orchestras. See Cornet-a-piston.
• n. - A certain organ stop or register.
• n. - A cap of paper twisted at the end, used by retailers to inclose small wares.
• n. - A troop of cavalry; -- so called from its being accompanied by a cornet player.
• n. - The standard of such a troop.
• n. - The lowest grade of commissioned officer in a British cavalry troop, who carried the standard. The office was abolished in 1871.
• n. - A headdress
• n. - A square cap anciently worn as a mark of certain professions.
• n. - A part of a woman's headdress, in the 16th century.
• n. - See Coronet, 2.