arsenal UK ['ɑ:.sən.əl] US ['ɑ:r-] noun countable ■a building where weapons and military equipment are stored 武器库;军械库•The army planned to attack enemy arsenals.军队计划攻击敌人的军火库。 ■a collection of weapons (一大批)储藏的武器•The country has agreed to reduce its nuclear arsenal.这个国家已经同意削减其核武器储备。 |