The term HEIGHT STAT is a combination of two words, 'HEIGHT' and 'STAT'. The first word, 'HEIGHT', refers to the vertical measurement of an object or person. The second word, 'STAT', is short for statistic, which is a numerical representation of data. ALT, the three letter solution to the crossword, is an abbreviation for altitude, which is the HEIGHT of an object or person above sea level. Altitude is often used in aviation and meteorology to measure the HEIGHT of aircraft and weather systems. Altitude is also used in geography to measure the HEIGHT of mountains and other landforms. Altitude is measured in feet or meters.