盟めい邦ほうめいほうMeanings1nounally; allied nationFormal term for a country that is an ally, often used in political or historical contexts.その国くには我わが国くにの盟めい邦ほうとして長なが年ねんの友ゆう好こう関かん係けいにある。That country has long been an ally of ours, maintaining friendly relations for many years.