Japanese edit

For pronunciation and definitions of とうきょう – see the following entries.
東京
[proper noun] Tokyo (a prefecture, the capital city of Japan, consisting of 23 special wards)
[proper noun] Short for 東京都 (Tōkyō-to): the capital prefecture of Japan
[proper noun] Short for 東京駅 (Tōkyō-eki): Tokyo Station
[proper noun] (historical) Short for 東京府 (Tōkyō-fu): the historical Tokyo Prefecture from 1868–1943
[proper noun] a surname
[noun] (historical) an eastern capital
唐鏡
[noun] Tang mirror
頭胸
[noun] (anatomy, uncommon, dated) cephalothorax
(This term, とうきょう, is the hiragana spelling of the above terms.)