(1)身体的に作用する
(2)洞窟または穴を掘るようにくり抜く
(3)影響を及ぼす
(4)hollow out as if making a cave or opening; "The river was caving the banks"
さらに詳しく
(1)蛾から守る
(2)protect from moths; "mothproof woollen clothes during the summer"
