1. (noun) a former empire consisting of Great Britain and all the territories under its control; reached its greatest extent at the end of World War I; it included the British Isles, British West Indies, Canada, British Guiana; British West Africa, British East Africa, India, Australia, New Zealand

• australia
• commonwealth of australia
• bharat
• india
• republic of india
• british east africa
• british guiana
• co-operative republic of guyana
• guyana
• british isles
• british west africa
• british west indies
• canada
• new zealand