Vendor/ˈvendər/ Definition 1 of 3Pro Tip 1/3Common Settings The word 'vendor' is often used to describe sellers in markets, fairs, or streets. Local vendors were selling crafts at the fair. Pro Tip 2/3Person or Company 'Vendor' can refer to both individual people and businesses. The coffee vendor on the corner also represents a larger company. Pro Tip 3/3Human Interaction When buying from a vendor, expect a personal interaction, often in a casual setting. I enjoy chatting with the fruit vendor about his products.