The crossword solutions for the term 'COOLER ROOM' are CELL, which is a four letter word. A CELL is a small room or area used for solitary confinement in a prison or jail. It is also used to refer to a small area within a larger room, such as a bedroom or living room. Cells are also used in laboratories and other scientific settings to contain and study specimens. In addition, cells are used in computing to store data and information.