Short for お茶の水女子大学 (Ochanomizu Joshi Daigaku, “Ochanomizu University”).

a student (usually of a university, sometimes of a high school)

(colloquial) go out for tea

tea, usually green tea / tea ceremony / snack with tea or coffee / the act of having tea

one's sister regardless of age difference / one's lover or sweetheart who is the subject of marriage or is already married / (archaic, said from a female speaker) a close female companion

big; great

(chiefly women's speech) first person singular pronoun: I, me

a female given name

Same as いもうと (imōto) above

one's own younger sister / the wife of one's younger brother; one's sister-in-law / a younger female / (archaic, said from a male speaker) one's sister regardless of age difference