nf. (Military) infantry, ground troops, soldiers who fight on foot; branch of the military made up of foot soldiers

(n.) = infantry.
Ex: The handbook is intended to serve as a guide to the resources and ervices available in the United States Army infantry School.
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* infantería acorazada = armoured infantry.
* Infantería de Marina, la = Marine Corps, the.
* soldado de infantería = infantryman ; foot soldier.