(chiefly UK) A lightweight portable bed used by the military, campers, etc.

(chiefly Canada, US, colloquial) Initial, basic indoctrination, physical fitness training and basic instruction in service-related subjects for new recruits in the armed forces (army, Air Force, navy and Marine Corps).

A camp where troops are assembled, prior to combat or transport.

(South Africa) A settlement of makeshift shacks.

plural of concentration camp

(euphemistic) a concentration camp, especially a non-Nazi one from before or during WWII; a detention center; a relocation camp.

(Britain) An enclosed resort providing accommodation (often in chalets) and entertainment, generally aimed at families.

A camp where refugees seek shelter.

plural of band camp

(education, music) An intensive program organised for primary, secondary or tertiary students of instrumental music, typically lasting a number of weeks and integrating rehearsals with social activities.