下しも瀬せ火か薬やくしもせかやくMeanings1nounShimose powder; Shimose explosivehistorical termHistorical term for an explosive used by the Imperial Japanese Navy, developed by Shimose Masachika. Composed chiefly of picric acid.下しも瀬せ火か薬やくは日にち露ろ戦せん争そうで使し用ようさ
