The crossword solution for the term 'flare out' is 'SPLAY'. SPLAY is a verb that means to spread out or extend in different directions. It is often used to describe the shape of something that has been spread out, such as a fan or a skirt. It can also be used to describe the way something is arranged, such as a group of people or objects. In this context, it implies that the term 'flare out' is referring to something that is spreading outwards from a central point.