Definition of infantry noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɪnfəntri//
; NAmE NAmE//ˈɪnfəntri//
[countable + singular or plural verb]
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soldiers who fight on foot infantry units The infantry was/were guarding the bridge. Word Originlate 16th cent.: from French infanterie, from Italian infanteria, from infante ‘youth, infantryman’, from Latin infant- ‘unable to speak’, from in- ‘not’ + fant- ‘speaking’ (from the verb fari).
See the Oxford Advanced American Dictionary entry: infantry