to go second (in an offensive–defensive competition)

an occipital bone

thirty-three; 33

sovereign

all day

(Buddhism) complete enlightenment

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

a birthday

regular day off (e.g. closed every Monday)

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse