fuel tank

noun2

1. •
   A container of fuel, especially one for motor fuel inside a vehicle.

   • The main fuel tank is slung from the underframe midway between the two bogies, and its capacity of 420 gal. supplies both the main engine and the train heating boiler. — 1950
2. •
   A container for storage of fuel, e.g. in a depot.

   • Pending the installation of four 7,000-gal. diesel fuel tanks, temporary refuelling facilities have been provided by the adaptation of a 3,000-gal. oil tank wagon. — 1956