The term 'SKY Cat' is a combination of two crossword solutions, LEO (3 letters) and SKY. LEO is an abbreviation for the constellation LEO, which is one of the 88 modern constellations that divide the night SKY. SKY is a common word used to describe the atmosphere or expanse above the surface of the Earth. Together, the two words form the phrase 'SKY Cat, ' which is often used to refer to a cat that loves to climb high places and explore the SKY.