1. a large stringed musical instrument played with a bow, held upright between the knees while seated

Examples

• She practiced the cello for two hours every day.
• The cello section sat in the front row of the orchestra.
• He carried his cello case to the music lesson.
• The deep, rich sound of the cello filled the concert hall.
• She began learning cello at age eight.
• The quartet included two violins, a viola, and a cello.