Cannisters are containers that are used for storage purposes. They are typically cylindrical in shape and come in various sizes. If you're looking for synonyms for the word "cannisters," here are a few options: canisters, containers, jars, casks, urns, vessels, receptacles, pots, tins, barrels, drums, kegs, tanks, hoppers, baskets, boxes, chests, and crates. Each of these words can be used to describe a container that is used to store different types of items, ranging from food products to chemicals. With so many synonyms available, you can choose the word that best fits your specific needs or preferences when describing a container for storage.