1. a large brass wind instrument that combines features of a saxophone and tuba, producing deep bass tones
Usage: musical instrument

Examples

• The marching band’s saxtuba provided a rich, deep foundation for the ensemble.
• She learned to play the saxtuba after mastering the regular tuba.
• The saxtuba’s unique sound bridged the gap between brass and woodwind sections.
• During the concert, the saxtuba solo impressed the audience with its powerful low notes.
• The music store had a vintage saxtuba on display from the early 1900s.