The term 'Diner, For One' can be solved by the crossword solutions 'EATERY' (6 letters) and 'CAR' (3 letters). A diner is a type of restaurant that typically serves American cuisine such as hamburgers, fries, and milkshakes. Diners are often associated with CAR culture, as they were popularized in the 1950s when cars became more accessible to the general public. The term 'for one' implies that the diner is meant for a single person, usually someone who is traveling alone in their CAR.