The term 'Flour Holder' can be broken down into two crossword solutions: 'SACK' (4 letters) and 'BIN' (3 letters). A SACK is a type of bag, usually made of cloth, paper, or plastic, that is used to store and transport goods. A BIN is a container, typically made of metal or plastic, that is used to store items. Both sacks and bins are commonly used to store flour, making them both suitable solutions for the term 'Flour Holder'.