Pronunciation: (em-pôr'ē-um, -pōr'-),[key] —n., —pl.-po•ri•ums, -po•ri•aPronunciation: (-pôr'ē-u, -pōr'-).[key] 1. a large retail store, esp. one selling a great variety of articles.
2. a place, town, or city of important commerce, esp. a principal center of trade: New York is one of the world's great emporiums.