Definitions of market:

• noun:   the world of commercial activity where goods and services are bought and sold

  Example: "Without competition there would be no market"

• noun:   the securities markets in the aggregate

  Example: "The market always frustrates the small investor"

• noun:   the customers for a particular product or service

  Example: "Before they publish any book they try to determine the size of the market for it"

• noun:   a marketplace where groceries are sold

  Example: "The grocery store included a meat market"

• verb:   engage in the commercial promotion, sale, or distribution of

  Example: "The company is marketing its new line of beauty products"

• verb:   deal in a market
• verb:   buy household supplies

  Example: "We go marketing every Saturday"

• verb:   make commercial
• name:  A surname (very rare: popularity rank in the U.S.: #50587)