The term 'at arm's length' is a phrase that is used to describe a situation in which two parties are not closely connected or involved with each other. It is often used to describe a business relationship in which the parties involved are not in a close or intimate relationship, but rather maintain a professional distance from one another. The crossword solution for this term is 'AWAY, ' which implies that the two parties are not close to each other and are instead separated by a certain distance.