drum major
noun
1
- a non-commissioned officer commanding the drummers of a regimental band团军乐队鼓手的指挥军士。
2
- the male leader of a marching band, who often twirls a baton（行进乐队中常挥舞指挥棒的）军乐队男指挥。
2.1
- a male member of a baton-twirling parading group（挥舞着指挥棒的）行进团队的男队员。