The term WHITE SHEET can be broken down into three crossword solutions: SNOW (4 letters), FLOE (4 letters), and ICEFLOE (7 letters). SNOW is a type of precipitation in the form of crystalline water ice, consisting of a multitude of snowflakes that fall from clouds. FLOE is a large flat mass of ice that has been formed by the freezing of sea water. ICEFLOE is a large flat mass of ice that has been formed by the freezing of sea water and is floating freely on the surface of the ocean. Together, these three words describe a white sheet of SNOW, ice, and floes.