one day

(rare) the first day of the month

spend, pass (time); have (a holiday) / do something too much, carry something too far

entirely, completely, wholly

symbol used as a placeholder

to be plump, rotund, chubby

plump, rotund, chubby

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

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)