The term 'Large Beer Mug' can be represented by two crossword solutions: 'STEIN' (5 letters) and 'Seidel' (6 letters). A STEIN is a traditional German beer mug, usually made of stoneware and featuring a hinged lid. A seidel is a type of beer mug that is similar to a STEIN but is made of glass and has a handle. Both steins and seidels are typically larger than other types of beer mugs and are used to serve large amounts of beer.