遺い孤こいこMeanings1nounorphanFormal or literary term for a child who has lost both parents. In everyday speech, 孤児 (こじ) is more common.戦せん争そうで遺い孤ことなった子こ供どもたちを支し援えんする団だん体たいがある。There are organizations that support children who became orphans due to war.
