The term 'container with a perforated top' can be summarized as a SHAKER, which is a 6-letter word. A SHAKER is a container with a lid that has small holes in it, allowing the contents to be sprinkled or shaken out. It is commonly used for condiments such as salt, pepper, and sugar, as well as for powdered spices and herbs. Shakers are also used to store and dispense small items such as beads, glitter, and confetti.