my, poss.pron. (attrib.)
1 of or belonging to me or myself (my house; my own business).
2 as a form of address in affectionate, sympathetic, jocular, or patronizing contexts (my dear boy).
3 in various expressions of surprise (my God!; oh my!).
4 Brit. colloq. indicating the speaker's husband, wife, child, etc. (my Johnny's ill again).
my Lady (or Lord) the form of address to certain titled persons.
ME mi, reduced f. min MINE(1)