xylophone

noun

1. a musical instrument made of wooden bars of different lengths that are arranged in order and struck with small hammers (mallets) to produce musical notes; it belongs to the percussion family.

   B1
   • "The child plays the xylophone."A1
   • "She learned to play the xylophone in her school music class."A2
   • "The orchestra's percussion section included a xylophone, a marimba, and a vibraphone."B2