上じょう棟とう祭さいじ字FuriganaMeanings1nounridgepole-raising ceremonyA Shinto ceremony held when the ridgepole of a new building is raised, praying for safety and prosperity. Also called 上棟式.See also: 上棟式新しん築ちく工こう事じの途と中ちゅうで上じょう棟とう祭さいを行おこなった。We held a ridgepole-raising ceremony during the construction of the new building.