The mizzen mast is a key feature of many types of sailing vessels, but you don't always have to use the same words to describe it. Synonyms for this nautical term include spanker mast, aft mast, and jigger mast. Depending on the specific boat and context, you may also hear it referred to as the mizzen boom, mizzen top, or mizzen yard. Regardless of which term you use, it's important to understand the role of the mizzen mast as a secondary support for the sails and as a means of controlling the vessel's balance and heading. Next time you're out on the water, try using some of these mizzen mast synonyms to impress your fellow sailors with your nautical vocabulary.