同どう大だいどうだいFreq.FrequencyTop 50,000Meanings1nounsame size; of equal sizeUsed to refer to something that is the same size as another thing, often in comparisons.この箱はこと同どう大だいの箱はこを探さがしています。I'm looking for a box the same size as this one.2nounthe said university; the aforementioned universityAbbreviation of 同大学. Used in formal or written contexts to refer back to a university already mentioned.