The term 'Tugboat Rope' is a type of rope used to tow or pull a vessel, such as a tugboat. The crossword solution for this term is 'TOWLINE', which is a seven-letter word. Tugboat ropes, also known as towlines, are typically made from synthetic materials and are designed to be strong and durable. They are used to attach a tugboat to a larger vessel, allowing the tugboat to pull or tow the vessel.