Used other than figuratively or idiomatically: see 一 and 本 (one thing) / Short for 一本勝ち (ippon-gachi, “winning in one blow”).

Synonym of 万 (“ten thousand”)

(mahjong) Alternative spelling of 一萬 (“the tile of 1 wan”)

(informal, emphatic) Synonym of 万が一 (man ga ichi)

a round or circular object; a circle; roundness / (mathematics) circle (set of all points in plane at a given distance and at a given point) / yen

Alternative spelling of 丸 (“circle”)

a book / a script; a scenario / source; origin; root

just

pure / honest / straight-forward

ceremonial hand clapping (tejime) of 3 claps, 3 claps, 3 claps, 1 clap, with a short pause between clapping / one clap at the end a cheer