国こく大だいこくだいFreq.FrequencyTop 100,000Meanings1nounnational universityabbreviationAbbreviation of 国立大学. Used in informal contexts, such as conversation or casual writing, to refer to a national university.See also: 国立大学彼かれは国こく大だいに合ごう格かくした。He passed the entrance exam for a national university.