1. The theory and system of political economy prevailing in Europe after the decline of feudalism, based on national policies of accumulating bullion, establishing colonies and a merchant marine, and developing industry and mining to attain a favorable balance of trade.
2. The practice, methods, or spirit of merchants; commercialism.

[MERCANTIL(E) + -ISM.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.