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English definition of “arsenal”

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arsenal

noun [C] uk   /ˈɑː.sən.əl/ us    /ˈɑːr-/
a building where weapons and military equipment are stored: The army planned to attack enemy arsenals. a collection of weapons: The country has agreed to reduce its nuclear arsenal.
(Definition of arsenal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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