The term 'DEEP HOLLOW' can be broken down into two words, 'DEEP' and 'HOLLOW'. The word 'DEEP' is defined as having a great depth or being profound. The word 'HOLLOW' is defined as having an empty space inside or being concave. When combined, the term 'DEEP HOLLOW' can refer to a large, DEEP, empty space or a large, concave area. In this crossword puzzle, the solution for the term 'DEEP HOLLOW' is 'GULF', which is a large body of water that is partially enclosed by land.