The term 'Hit the Trail' can be broken down into five crossword solutions: Setout (6 letters), BACKPACK (8 letters), HIKED (5 letters), STARTED (7 letters), and Hit the Road (10 letters). Setout is a verb meaning to begin a journey or set out on a course of action. BACKPACK is a noun referring to a bag with straps that is carried on one's back. HIKED is a verb meaning to walk for a long distance, especially in the countryside. STARTED is a verb meaning to begin or initiate something. Finally, Hit the Road is an idiom meaning to leave or depart. Together, these five solutions form the phrase 'Hit the Trail, ' which is an idiom meaning to leave or depart.