Double-heading, the practice of using two locomotives to pull a train.
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Doublehead, one of the most feared warriors of the Cherokees during the Chickamauga wars.
double bass | Double (association football) | head | head of state | Beavis and Butt-head | double | Alec Head | Murray Head | Head Start | Anthony Head | Head Start Program | Double Dragon | Diamond Head | body double | Double bass | double (baseball) | double agent | Human head | Head teacher | double feature | Mamee Double-Decker | Machine Head (band) | Machine Head | Head Over Heels | Head of the River Race | Eddie the Head | Double Dare | the double | Hilton Head Island, South Carolina | Edith Head |