← Back to browse洞道とうどう[toudou]nounJapanese definitionNo Japanese definition yet.English definitionservice tunnel (cables, gas, etc.)ExamplesNo examples yet.Loading examples…Ask about thisKanji洞den; cave; excavationドウ / ほら · 9 strokes洞洞窟空洞洞察洞穴鍾乳洞洞爺湖曹洞宗道road-way; street; district; journey; course; moral; teachingsドウ、トウ / みち、いう · 12 strokes道北海道報道道路鉄道道具水道軌道