孤こ児じ作さく品ひんこじさくひんMeanings1nounorphan workA copyrighted work whose owner cannot be identified or located. Used in legal and copyright contexts. Compare 孤児著作物, which is a synonym.See also: 孤児著作物孤こ児じ作さく品ひんの利り用ようには、文ぶん化か庁ちょうの