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

personal, private / secret

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

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

a personal or private matter / (by extension) selfishness

private; mine

Alternative spelling of 私達 (“we; us”)

the fifth day of the month / five days

St. Elmo's fire (electrical discharge)

Saint Christopher