The crossword solution for the term 'PREPARE FOR A WINTRY TAKEOFF' is DEICE, which is a five-letter word. Deicing is a process that is used to prepare aircraft for takeoff in cold weather conditions. It involves spraying the wings and other parts of the plane with a deicing fluid to prevent ice from forming on the surfaces of the aircraft. This helps to ensure that the plane can take off safely in wintry conditions.