Definition: "Brigsail" is a term used in the context of maritime navigation and mapping, specifically for the navigation of boats that are not equipped with sails but have been designed to sail without them. Brigsails are lightweight, flexible structures that can be mounted on the bow or stern of a boat to provide stability and control during sailing. The term "brigsail" comes from the Latin word "brigatus," which means "to bind." In this context, it refers to a type