Definition:
A pricing strategy in which a company offers a relatively low price to stimulate demand and gain market share. It is one of three generic marketing strategies (see differentiation strategy and focus strategy for the other two) that can be adopted by any company, and is usually employed where the product has few or no competitive advantage or where economies of scale are achievable with higher production volumes.
Further Reading:
Book: Playing to win by A. G. Lafley and Roger L. Martin