1. a musician who plays the cornet
Usage: also spelled cornettist or cornetist; common in jazz, classical, and brass band contexts

Examples

• The jazz cornettist improvised a brilliant solo during the second set.
• She studied under a renowned cornettist at the conservatory.
• The brass band featured a talented cornettist in the front row.
• He became a professional cornettist after years of practice.
• The cornettist's warm tone filled the concert hall.