the second dimension / (by extension, Internet slang) the 2D (i.e. anime, manga, video games, etc.) world; the fictional world

(education) second year in senior high school; eleventh grade / (education) second-year student in senior high school

second-year student, sophomore / (botany) biennial

(shogi) two pawns on a same file (an illegal move)

two existences, the present and the future / second generation, foreigner of Japanese parentage / junior / the second (king of the same name)

second floor; upstairs

a male given name

two things that are round

a male given name

two o'clock