close friend, bosom buddy / crony, chum

(especially in traditional Chinese medicine) the seed of the Indian mustard, Brassica juncea

a surname

Synonym of 芥子菜 (karashina): the Indian mustard, Brassica juncea / a spice made from the kneaded seeds of the Indian mustard

the opium poppy, Papaver somniferum / any other species of the Papaver genus; a poppy / (archaic) Synonym of 芥子菜 (karashina): the Indian mustard, Brassica juncea

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

private; mine

(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