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n. The branch of an army made up of units trained to fight on foot.

n. Soldiers armed and trained to fight on foot: The general ordered his infantry to attack.

n. A unit, such as a regiment, of such soldiers: Company B of the 7th Infantry.

n. Soldiers who fight on foot (on land), as opposed to cavalry and other mounted units, regardless of external transport (e.g. airborne).

n. The part of an army consisting of infantry soldiers, especially opposed to mounted and technical troops

n. A regiment of infantry

n. A body of children.

n. A body of soldiers serving on foot; foot soldiers, in distinction from cavalry.

n. Soldiery ✓ serving on foot, as distinguished from cavalry; that part of a military establishment using small-arms, and equipped for marching and fighting on foot, constituting the oldest of the “arms” into which armies are conventionally divided: as, a company, regiment, or brigade of infantry. Abbreviated infinitive

n. [As if directly ⟨ infant, n., 1, + -ry.] Infants in general; an assemblage of children.

n. an army unit consisting of soldiers who fight on foot

"JOULWAN: When you look at what we call infantry, boots on the ground, Marine and Army units, they're not 2.4 million."

cavalry   

army unit   

light infantry    mounted infantry   

paratroops   

mounted infantry    light infantry    marine infantry    infantryman    mechanized infantry    infanteer   

footsoldiers    foot    infantrymen   

cavalry    battalion    militia    troop    volunteer    squadron    horseman    marine    garrison    scout