A musical instrument of the brass family, slightly smaller than a trumpet, usually in the musical key of B-flat.
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A piece of paper twisted to be used as a container.
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An ice cream cone (the shell itself).
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UK, Broadly, Dated An ice cream cone (the unit comprising the shell and the ice cream).
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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.1702–1704, Edward [Hyde, 1st] Earl of Clarendon, (please specify |book=I to XVI), in The History of the Rebellion and Civil Wars in England, Begun in the Year 1641. […], Oxford, Oxfordshire: Printed at the [Sheldonian] Theater:
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.1972, Christopher Hill, The World Turned Upside Down, Folio Society, published 2016, page 45:
This cornet [translating Cornet] was a brave young cavalier and not more than two years older than me.1999, Mike Mitchell, translating HJC von Grimmelshausen, Simplicissimus, III.14, Dedalus 2016, p. 253