どだん 土壇 LinksSentence search for 土壇Sentence search for どだんKanji details for 土 and 壇Edit in JMdict Noun1. dirt moundNoun2. dirt walls on the inside of the sunken hearth in a tea roomNoun3. platform made of dirt used to perform executions (decapitations) in the Edo period Discussions Log in to talk about this word.