The term 'EAT DINNER' can be broken down into two words, each with their own crossword solutions. The first word, 'EAT, ' can be solved with the 3-letter solution 'SUP, ' which is an abbreviation of the phrase 'SUP up, ' meaning to EAT or drink quickly. The second word, 'DINNER, ' can be solved with the 4-letter solution 'DINE, ' which is a verb meaning to EAT a meal, usually in a formal setting. Together, the two solutions form the phrase 'EAT DINNER, ' which is a common phrase used to describe the evening meal.