Oxford Dictionary English marching band nounnoun BrE BrE//ˈmɑːtʃɪŋ bænd// ; NAmE NAmE//ˈmɑːrtʃɪŋ bænd// [countable + singular or plural verb] Add to my wordlistjump to other resultsa group of musicians who play while they are marchingSee marching band in the Oxford Advanced American DictionaryCheck pronunciation: marching band oxfordlearnersdictionaries.com