(law enforcement) A sergeant who has an administrative position inside of a police station.

(military) Formerly, a corporal acting as a sergeant. Now used in the Foot Guards and Honourable Artillery Company of the British Army as a rank equivalent to corporal

(US, Army) A non-commissioned officer in the United States Army, ranking above a staff sergeant and below a master sergeant or first sergeant.

(UK, Australia, army) The senior warrant officer in an regiment or battalion, usually a warrant officer class 1.

plural of regimental sergeant major

A South Asian freshwater fish, commonly held in aquarium, Botia rostrata.

(UK) An appointment in the army, the senior warrant officer in a company, usually held by a warrant officer class 2.

(military, US) A non-commissioned officer of rank E-9 in the United States Marine Corps, ranking above a master sergeant/first sergeant and below a warrant officer. It is equal in grade to sergeant major

plural of company sergeant major

plural of sergeant major loach