Vinculum is a Latin word meaning 'BOND' or 'TIE'. It is often used to refer to a LINK or LINK hover:text-barberry-yellow'>KNOT that binds two or more things together. In crossword puzzles, the term vinculum can be used to describe the solutions of 'LINK' and 'LINK hover:text-barberry-yellow'>KNOT', both of which are four-letter words. LINK refers to a connection between two or more people, places, or things, while LINK hover:text-barberry-yellow'>KNOT is a looped or intertwined rope or cord. Both terms are used to symbolize the idea of binding two or more elements together.