From Wiktionary, the free dictionary
From lift + over.
liftover (plural liftovers)
- The distance an item must be lifted in order to load it into a vehicle.
2007 December 23, Lawrence Ulrich, “Same Small-Car Stew, Stirred and Reheated”, in New York Times[1]:A poorly finished trunk has an awkwardly high liftover and no useful handhold on its lid.
