The term 'Butter Holder' can be summarized by two crossword solutions: 'CROCK' (5 letters) and 'TUB' (3 letters). A CROCK is a type of earthenware pottery, usually with a glazed finish, that is used for storing food items such as butter. A TUB is a large, open container, often made of plastic or metal, that is also used to store food items like butter. Both crocks and tubs are commonly used as butter holders.