Senses
三军/ 三軍 armed forces
(in modern times) the three branches of the military, namely the army, navy, and air force
三军/ 三軍 three armies
(in ancient China) the three divisions of a large army, such as the upper, middle, and lower, or left, center, and right divisions
三军/ 三軍 entire army
the whole army; all the troops
References
No references for this word.