常じょう夜や灯とうじょうやとうFreq.FrequencyTop 100,000じ字FuriganaMeanings1nounnightlight; all-night lampA light kept burning throughout the night, often for safety, religious, or decorative purposes. Can refer to small modern nightlights or traditional lamps.廊ろう下かに常じょう夜や灯とうをつけておく。