城じょう塁るいじょうるいMeanings1nounfortress; strongholdRefers to a fortified place, castle, or stronghold. Somewhat formal or literary; in everyday speech 城 (しろ) or 要塞 (ようさい) are more common.その城じょう塁るいは難なん攻こう不ふ落らくとされた。That fortress was considered impregnable.