The term 'OLD MARINERS' can be broken down into two crossword solutions: TARS (4 letters) and OLD (3 letters). TARS is an acronym for 'Totally Accessible Responsive Ships', which is a term used to describe ships that are designed to be accessible to people with disabilities. OLD is an adjective meaning 'having lived or existed for a long time; of advanced age'. Therefore, the term 'OLD MARINERS' can be interpreted as referring to experienced sailors who have been in the maritime industry for a long time.