The crossword solution for the term CAN COVER is LID, which is a three-letter word. A LID is a type of cover that is used to close off a container or vessel, such as a jar, can, or pot. It is typically made of metal, plastic, or other materials and is designed to fit snugly over the opening of the container. Lids are used to keep contents from spilling out and to keep air and moisture from entering the container.