The term 'ANT TYPE' can be solved by the four-letter word 'ARMY'. An ARMY is a large group of people, usually organized and trained to fight in wars. Armies are typically composed of ground forces, air forces, and naval forces. They are usually led by a commander-in-chief, and are typically divided into smaller units such as battalions, regiments, and brigades. Armies have been used throughout history to protect countries and their citizens from external threats.