The term 'DEALER's Box' refers to a box that is used by a DEALER in a card game. It is typically a small, wooden box with a lid that contains the cards that the DEALER will use during the game. The term can also refer to the area of the table where the DEALER keeps their cards. The crossword solution for this term is 'SHOE', which is a type of card-dealing device that holds multiple decks of cards and allows the DEALER to easily deal them out.