Definitions
1.NounA polite form of address for a woman or lady."Mrs Grey wondered if the outfit she was trying on made her look fat. The sales assistant just said, “It suits you, madam”.; Later, Mrs Grey was sitting in her favourite tea shop. “Would madam like the usual cream cakes and patisserie with her tea?” the waitress asked."
2.NounThe mistress of a household.
3.NounA conceited or quarrelsome girl."Selina kept pushing and shoving during musical chairs. The nursery school teacher said she was a bad-tempered little madam."
4.NounA woman who runs a brothel, particularly one that specializes in finding prostitutes for rich and important clients."After she grew too old to work as a prostitute, she became a madam."
5.NounA hated or contemptuous woman; used as a general term of abuse
6.VerbTo address as "madam".
7.VerbTo be a madam; to run (a brothel).