1. pre-sell something to help sell a product, service, etc., especially one that is not yet available, by using advertising and other techniques to attract consumers’ attention
   • ● Putting a trial version on your website is a great way of pre-selling your product.
2. - something to sell something in advance of when it is available
   • ● These farmers pre-sell their crops.
   • ● MTV were able to pre-sell the film in foreign markets.

[TahlilGaran] English Dictionary ▲