ぐんたい軍隊guntai
1.

A structured organization of soldiers established to engage in warfare, typically characterized by a system of discipline and order.

2.

A collective group of military personnel trained and assembled for the purpose of defending a nation or engaging in armed conflict.

3.

An organized body of armed individuals that operates under a defined command structure to coordinate military operations.

4.

A group of fighters assembled with a specific purpose related to military engagement, often governed by rules and regulations that dictate their conduct.

Example:

その軍隊は十分な武器を持っていた。