The term 'Spitfire' is a crossword solution for the word 'SHREW' (5 letters). Spitfire is a British single-seat fighter aircraft used by the Royal Air Force and other Allied countries during World War II. It was designed by R.J. Mitchell and first flew in 1936. The Spitfire was renowned for its speed, maneuverability, and distinctive shape. It was also used in the Battle of Britain, where it helped to turn the tide of the war in favor of the Allies.