Of an establishment, providing service to occupants of automobiles while still in their still-running vehicle.I switched banks so that I could use a drive-through branch near my home.
Of a feature of such an establishment (especially a window), adapted to provide such service.The restaurant's drive-through window had a turntable of bulletproof glass designed to allow transactions while preventing robberies.
An establishment, especially a restaurant, providing drive-through service.Since I was pressed for time, I picked up burgers at a drive-through on the way home.
The window of such an establishment adapted for such purpose."Please pull forward and pay at the drive-through", said the attendant upon taking my order.