infantry

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infantry body of soldiers who fight in an army on foot and are equipped with hand-carried weapons, in contradistinction originally to cavalry and other branches of an army. Infantry has often been divided into heavy infantry, which used to wear armor and now fights with tanks, and light infantry, which used to include skirmishers, slingers, and bowmen and now includes commandos and troops with only light tanks. In ancient wars, infantry was armed with swords, spears, slings, and bows. Around 2500 BC the armies of the city-states of Ur and Lagash in Mesopotamia fought in formation with shield walls and protruding longspears. The Greek phalanx was the dominant infantry formation in the West from c.500 BC until the ascendancy of the more flexible Roman legion . In China, where the crossbow (see bow and arrow ) was widely used, more flexible formations and deception were emphasized (see Sun Tzu ) along with fortifications such as the Great Wall . Infantry declined as the major fighting force in Eurasia after the 4th cent. when cavalry became dominant, but in the Americas the infantry dominated until the horse was introduced by the Spanish conquistadors . After the middle of the 14th cent., when firearms were first used, the infantry, armed with muskets and rifles, became dominant. Before the advent of automatic weapons at the end of the 19th cent., infantry fought in massed formations; in the Boer War and in World War I the mass formation gave way to trench warfare. See army ; strategy and tactics ; warfare .

Bibliography: See J. Keegan and R. Holmes, Soldiers (1980).

infantry Foot soldiers carrying portable firearms and equipment. Modern infantry forces are organized into platoons, companies and battalions, and are equipped with rifles, machine guns, mortars, grenades, rocket-launchers and other lightweight weapons, as well as supplies for several days of operations.

in·fan·try / ˈinfəntrē/ • n. soldiers marching or fighting on foot; foot soldiers collectively.

infantry n. soldiers marching or fighting on foot; foot soldiers collectively.

infantry soldiers marching or fighting on foot; foot soldiers collectively.

Infantry. See Army Combat Branches: Infantry.

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