1. main market - Noun
2. Main market - Proper noun
main market (plural main markets)
The principal place in which a company does business.
Main Market
(UK, finance) The principal stock market of the London Stock Exchange.
Coordinate term: AIM
China is responsible for a lot of the major conservation issues we're facing. It's the main market for rhino horn. Tigers are being killed for tiger bone wine. They're driving the tropical timber trade and illegal logging in Indonesia, and the trade in tropical reef fish. Mark Carwardine