defensive structure
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Noun | 1. | defensive structure - a structure used to defend against attack; "the artillery battered down the defenses" cheval-de-frise, chevaux-de-frise - defensive structure consisting of a movable obstacle composed of barbed wire or spikes attached to a wooden frame; used to obstruct cavalry fortification, munition - defensive structure consisting of walls or mounds built around a stronghold to strengthen it line of defence, line of defense - defensive structure consisting of a barrier that can be employed for defense against attack outwork - subsidiary defensive structure lying outside the main fortified area; "the outworks of the castle" stronghold, fastness - a strongly fortified defensive structure structure, construction - a thing constructed; a complex entity constructed of many parts; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons" |
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