The term BEN-HUR'S VEHICLE is a reference to the 1959 epic film Ben-Hur, which tells the story of a Jewish prince who is betrayed and sent into slavery. The main character, Judah Ben-Hur, eventually finds his way back to his homeland and takes part in a CHARIOT race. The crossword solution for this term is CHARIOT, which is a two-wheeled horse-drawn vehicle used in ancient times for transportation and warfare.