The term 'FARM-TEAM COUPLER' can be summarized as a person who links a minor league team to a major league team. The crossword solution for this term is 'YOKE', which is a device used to join two animals together, such as oxen, to help them pull a load. This analogy can be applied to the job of a farm-team coupler, as they are responsible for connecting the minor league team to the major league team, allowing them to work together to achieve a common goal.