The term 'ICY SHOWER' can be broken down into two crossword solutions: HAIL (4 letters) and SLEET (5 letters). HAIL is a form of precipitation that consists of balls or irregular lumps of ice, which can range in size from pea-sized to golf ball-sized. SLEET is a type of frozen precipitation that is composed of ice pellets or small pieces of ice. It is created when rain droplets freeze as they pass through a layer of cold air. Both HAIL and SLEET are forms of icy showers that can cause damage to property and people.