Fallback position is a term used to describe a plan or strategy that is used when the primary plan fails. It is also known as a contingency plan or a backup plan. The term fallback position is often used in military and business contexts, where it is important to have a plan in place in case of unexpected events. The crossword solution for the term fallback position is 'DEFAULT', which means a pre-selected option or course of action that is used when no other option is available.