(Britain) A non-commissioned officer in some infantry regiments of the British army, equivalent in rank to a staff sergeant in most other armies. A colour sergeant ranks above a sergeant and below a warrant officer.

(military, US) A non-commissioned officer in the United States Army, ranking above sergeant first class and below sergeant major; equal in grade and pay to a first sergeant.

(Canada) A senior non-commissioned appointment in the Army of a company or unit, directly responsible to the officer in charge for their soldiers' performance, standards, discipline, morale, welfare, et al, that can be held by a Warrant Officer or above.

(US) In the United States Army, a non-commissioned officer ranking above sergeant first class and below sergeant major; equal in rank to a master sergeant but with greater command authority.

(military, US) A non-commissioned officer of rank E-7 in the United States Marine Corps, ranking above a staff sergeant and below a master sergeant or first sergeant.

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

In the manner of a sergeant major.

(law) Bonds issued in a series by a public entity that are payable at different times.

Alternative spelling of biserrate

(informal, physics) The triboelectric series