Emporium

Part of speech: noun (n.)

1. A place of trade; a market place; a mart; esp., a city or town with extensive commerce; the commercial center of a country. That wonderful emporium [Manchester] . . . was then a mean and ill- built market town. Macaulay. It is pride . . . which fills our streets, our emporiums, our theathers. Knox.

2. The brain. [Obs.]