|a street in New York City: a centre of American advertising and public-relations firms and a symbol of their attitudes and methods|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a gadget; dingus; thingumbob.|
A street in Manhattan on which many advertising and public relations firms have offices.
Note: The name of the street is often used to refer to the high-pressure techniques of the advertising business.
Note: “Madison Avenue hype” carries the connotation of misrepresentation or deliberate dishonesty.
Madison Avenue definition