regular army
Refers to a nation's official, standing military force, as opposed to irregulars, militia, or guerrilla forces.
In that country, the distinction between the regular army and militias is vague.
General term for 'armed forces' or 'military'; 正規軍 emphasizes the official, standing nature.
正規軍 is a formally organized national army, the direct opposite of the irregular, non-state fighters called ゲリラ.
正規軍 is a state's official, professionally trained military, the direct opposite of 民兵, which is an informal force made up of ordinary citizens.
Compound of 正規 (regular, formal) and 軍 (army, military).