Infantry definition

ĭnfən-trē
Frequency:
The branch of an army made up of units trained to fight on foot.
noun
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A unit, such as a regiment, of such soldiers.

Company B of the 7th Infantry.

noun
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Foot soldiers collectively; esp., that branch of an army consisting of soldiers trained and equipped to fight chiefly on foot.
noun
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A (designated) infantry regiment.

The 274th Infantry.

noun
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(uncountable) The part of an army consisting of infantry soldiers, especially opposed to mounted and technical troops.
noun
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Soldiers armed and trained to fight on foot.

The general ordered his infantry to attack.

noun
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The definition of an infantry is a unit of soldiers who move and fight on foot.

An example of an infantry is a group of Marine ground forces.

noun
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Soldiers who fight on foot (on land), as opposed to cavalry and other mounted units, regardless of external transport (e.g. airborne).
noun
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A regiment of infantry.
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Other Word Forms

Noun

Singular:
infantry
Plural:
infantries

Origin of infantry

  • French infanterie from Old French from Old Italian infanteria from infante youth, foot soldier from Latin īnfāns īnfant- infant infant

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle French infanterie, from older Italian, possibly from Spanish infantería "foot soldiers, force composed of those too inexperienced or low in rank for cavalry," from infante "foot soldier," originally "a youth", either way from Latin infans '(child) who doesn't speak (yet)' (from in- 'non-' + fari 'to speak')

    From Wiktionary