/ ˈkɔːnɪt; NAmE ˈkɔːrnɪt/ noun
1.
a brass musical instrument like a small trumpet
2.
( BrE , old-fashioned ) = cone :
an ice-cream cornet
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WORD ORIGIN
late Middle English (originally denoting a wind instrument made of a horn): from Old French , diminutive of a variant of Latin cornu horn.