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

(US) An enlisted rank in the United States Army, of rank E-3, ranking above a private and below a corporal or specialist.

(cricket) A three- or five-day cricket match, with two innings per side, played under a set of conditions specified and officially recognised by an official governing body of cricket.

(military) A cruiser equipped with sophisticated defenses against missile and air attack.

(medicine, slang) Deep vein thrombosis.

One of the numbered classes in a standard system that categorizes routes, bridges, or rafts according to the load they can carry. Vehicles are also assigned class number(s) indicating the minimum class of route, bridge, or raft they are authorized to use.

Synonym of class action

plural of class action lawsuit

A social and economic class lying above the lower middle class and below the upper class.

plural of third-class citizen