INFANTRY

infantry, foot

(noun) an army unit consisting of soldiers who fight on foot; “there came ten thousand horsemen and as many fully-armed foot”

Source: WordNet® 3.1

Etymology

Noun

infantry (plural infantries)

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

(uncountable) The part of an army consisting of infantry soldiers, especially opposed to mounted and technical troops

A regiment of infantry

Source: Wiktionary

In"fan*try, n. Etym: [F. infanterie, It. infanteria, fr. infante infant, child, boy servant, foot soldier, fr. L. infans, -antis, child; foot soldiers being formerly the servants and followers of knights. See Infant.]

1. A body of children. [Obs.] B. Jonson.

2. (Mil.)

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

Source: Webster’s Unabridged Dictionary 1913 Edition