The crossword solution for the term 'A Toaster May Hold One' is STEIN, which is a five-letter word. A STEIN is a type of beer mug or tankard that originated in Germany during the 14th century. It is typically made of stoneware and has a hinged lid. The STEIN was designed to hold beer, but it can also be used to hold other beverages such as coffee, tea, or hot chocolate. A toaster may hold one STEIN, making it an ideal vessel for enjoying a hot beverage.