cornet

noun

1. A musical instrument of the brass family, slightly smaller than a trumpet, usually in the musical key of B-flat.
2. A piece of paper twisted to be used as a container.
3. A pastry shell to be filled with ice-cream, hence (UK, dated) an ice cream cone.
4. (obsolete)A troop of cavalry; so called from its being accompanied by a cornet player.

   “They discerned a body of five cornets of horse very full, standing in very good order to receive them.”

5. A kind of organ stop.
6. A hollow horn-like growth.
7. The white headdress worn by the Sisters of Charity.
8. (obsolete)The standard flown by a cavalry troop.
9. (historical)The fifth commissioned officer in a cavalry troop, who carried the colours (equivalent to the ensign in infantry).

   “No general would have sent a mere cornet in command of five hundred horse: Fairfax despatched a colonel to take charge as soon as he heard what had happened.”

   “This cornet [translating Cornet] was a brave young cavalier and not more than two years older than me.”