瞳どう子しどうしFreq.FrequencyTop 100,000Meanings1nounpupil (of the eye)dated termDated term for the pupil; in modern Japanese, 瞳孔 (どうこう) or ひとみ are more common.古ふるい医い学がく書しょには「瞳どう子し」という言こと葉ばが出でてくる。The word 瞳子 appears in old medical books.