Market (noun)

1. A regular gathering of people for the purchase and sale of provisions, livestock, and other goods.
2. An area or sphere of activity or interest: the computer software market.
3. The world of commercial activity where goods and services are bought and sold.

Origin:

Late middle english: from old french marchiet, based on latin mercatus "trade, marketplace", from mercari "to trade".

Examples:

1. The local farmers market opens every Saturday morning.
2. The stock market saw significant gains last quarter.
3. The housing market in this area is becoming increasingly competitive.
4. The company is looking to expand its reach in the international market.
5. The market for organic produce continues to grow.