The definition of a cornet is something cone shaped, such as a brass musical instrument like a trumpet.(noun)
An example of a cornet is an ice cream cone.
See cornet in Webster's New World College Dictionary
Origin: ME & OFr, dim. of corn, a horn < L cornu, horn
See cornet in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old French
Origin: , diminutive of corn, horn
Origin: , from Latin cornū; see ker-1 in Indo-European roots.
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