close friend, bosom buddy / crony, chum

full moon / in the lunar calendar, the fifteenth night of a lunar month, the night of the full moon

full moon / in the lunar calendar, the fifteenth night of a lunar month, the night of the full moon / more specifically, the fifteenth night of the eighth lunar month, the full moon of mid-autumn

a surname

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

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law