日にち大だいにちだいFreq.FrequencyTop 20,000Meanings1nounNihon University (abbreviation)organization nameCommon abbreviation used in conversation, news, and university contexts.彼かれは日にち大だいの法ほう学がく部ぶを卒そつ業ぎょうした。He graduated from the law department of Nihon University.