The term 'the turf in 'Surf and Turf'' refers to a popular dish consisting of STEAK and seafood. The crossword solution for this term is STEAK, which is a five-letter word. STEAK is a cut of meat that is usually grilled or fried and served with a variety of accompaniments. It is a popular main course in many cuisines around the world. In the dish 'Surf and Turf, ' STEAK is typically served alongside seafood such as lobster or shrimp.