close friend, bosom buddy / crony, chum

willow, especially weeping willow / thin as a willow leaf

(Chinese astronomy) the Willow as one of the twenty-eight mansions / a female given name / a surname

willow

(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

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