Definition: The word "ANZUS" refers to the American-Canadian Alliance of United Nations States, a diplomatic alliance between Canada and the United States. It outlines how Canada and the United States support the establishment of the United Nations. Definition: The term "ANZUS" (United Nations Assistance, Communication, and Security) is defined as an alliance among 12 Canadian states in North America to promote and maintain peace, security and prosperity between them; provide humanitarian assistance across their shared borders; and coordinate international communication between the two. This alliance emphasizes Canada's commitment to supporting United Nations initiatives and efforts to ensure a stable world order.