The crossword solution for the term EX HALVED is VEE, which is a three letter word. VEE is a type of aircraft wing shape that is characterized by two straight sections connected by a curved section. This type of wing shape is often used in high-performance aircraft due to its ability to reduce drag and increase lift. The term EX HALVED is used to describe the shape of the wing, as it is essentially 'halved' in the middle.