The crossword solution for the term 'coffee cup cover' is 'LID, ' which is an acronym for 'LID.' A LID is a type of cover that is used to seal a container, such as a coffee cup. It is typically made of plastic or metal and is designed to fit snugly over the top of the cup. Lids are used to keep beverages hot and prevent spills. They also help to keep the contents of the cup fresh and free from contamination.