What does "chip and dip" mean?

Also, chip'n dip. A snack food or an appetizer consisting of potato chips, crackers, or raw vegetables (like carrot sticks) that are used to scoop up a dip, a savory creamy mixture. For example, There wasn't much to eat; all they served was a chip and dip. The term is also used for the utensils employed for this dish—a plate for the crackers and a small bowl for the dip. [Mid-1900s]