Other forms: vending; vended; vends
When you vend, you sell something — for example, you might have a table at a crafts fair where you vend your line of hand-knit dog clothing.
Typically, the verb vend is used when the seller is on the move in some way, setting up a stall in a street fair or hawking homemade cupcakes out of a minivan at high school football games. Another way to use vend is specifically "to sell something out of a machine," like the kind you put a dollar in and get a bag of chips in return. The Latin root is vendere, "to sell."