帝てい室しつていしつFreq.FrequencyTop 100,000Meanings1nounImperial Family; Imperial HouseholdRefers to the Japanese imperial family as an institution or lineage. Formal and historical in tone; in modern contexts, 皇室 (こうしつ) is more common.帝てい室しつの伝でん統とうは長ながい歴れき史しを持もっている。