sergeant major
noun
1
- a warrant officer in the British army whose job is to assist the adjutant of a regiment or battalion (regimental sergeant major) or a subunit commander (company sergeant major, battery sergeant major, etc.)（英国军队中的）准尉副官。
2
- a high rank of non-commissioned officer in the US army, above master sergeant and below warrant officer（美国陆军的）一级军士长。
3
- a fish with boldly striped sides which lives in warm seas, typically on coral reefs惠琪豆娘鱼。
3.1
- Abudefduf saxatilis, family Pomacentridae.拉丁名Abudefduf saxatilis, 雀鲷科。