noun🔗Share主塔、天守The fortified tower of a motte or early castle; a keep."The king retreated to the donjon, the castle's strongest tower, as the enemy breached the outer walls. "敵が外壁を突破したため、王は城の最も強力な塔である天守に退却した。architecturebuildingmilitaryhistoryChat with AIVocabulary GamePractice Reading
