Madison Avenue

WordReference Random House Unabridged Dictionary of American English © 2025

Mad′ison Av′enue, 

1. Business a street in New York City that is a center of the advertising and public relations industries and that has become a symbol of their attitudes, methods, and practices.

Collins Concise English Dictionary © HarperCollins Publishers::

Madison Avenue noun

1. a street in New York City: a centre of American advertising and public-relations firms and a symbol of their attitudes and methods