the capital prefecture of Japan, located in the 関東 (Kantō) region including several archipelagos on the Pacific Ocean, and the 23 special wards in its central part collectively referred to as simply 東京 (Tōkyō, “Tokyo”, former “Tokyo City”)

a capital city / a city, metropolis / Short for 東京都 (Tōkyō-to): the capital prefecture of Tokyo

a name of a river / Arakawa (one of 23 special wards in Tokyo prefecture, Japan) / a surname

flow, run, rush, stream / wash away / (for rumors, news, etc. to) circulate, go around / (for time to) pass / (for music or video to) play / fail, fall through / trend

(historical) Tonkin (northern region of Vietnam)

(historical) an eastern capital

Tokyo (a prefecture, the capital city of Japan, consisting of 23 special wards) / Short for 東京都 (Tōkyō-to) the capital prefecture of Japan

(historical) the capital of 東漢 (Tōkan, “Eastern Han”) or 後漢 (Gokan, “Later Han”), corresponds to modern Luoyang / (historical) the capital of 北宋 (Hokusō, “Northern Song”), corresponds to modern Kaifeng

(archaic) the place of residence of the emperor / (by extension) a capital city / (by extension) a capital (most important city in the field specified)

all, both, everyone, whole