Old Coach is a term used to describe a person who has been in the same profession for a long time. The term is often used to refer to someone who has been teaching, coaching, or mentoring for many years. The crossword solution for Old Coach is 'STAGE, ' which refers to the STAGE of life that the person is in. This could mean that the person has been in the same profession for a long time and is now considered an expert in their field.