the grey market UK US UK (US the gray market) noun [S]
► COMMERCE an unofficial but not illegal system of selling goods: »
The store sells designer clothes and shoes sourced from the grey market .
► FINANCE the buying and selling of a company's shares before they are available officially: »
First dealings in the company's shares will start on the grey market on March 27 and formal trading begins on April 2.
► MARKETING people over about 50, considered as a group to which products can be sold: »
Motorbike manufacturers are selling to the grey market as much as to younger people.
Financial and business terms. 2012.