Vocabulary What does 火葬 (かそう, kasou) mean? 火葬 (かそう, kasou) means cremation. Quick factsReadingかそうRomajikasouPart of speechnoun, suru verb, transitive 火葬かそうkasoucremation1noun · suru verb · transitive cremationKanji in this word火fire葬burial, funeral