A tank car.
A tank ship, a vessel used to transport large quantities of liquid.
A longboard.
An aircraft built or modified to carry water and/or fire retardant for dropping on wildfires.
A tank truck.
A fuel tanker, petrol tanker, road tanker.
An aircraft carrying a large supply of jet fuel or avgas for aerial refueling of other aircraft, plus equipment allowing the in-air transfer of fuel.
Member of a tank crew, or of an armoured unit.
To carry more fuel than necessary for a flight, in order to avoid having to refuel at a destination where fuel is more expensive or in short supply.
To transport (oil, etc.) in a tanker.
An old, unattractive automobile, purchased for little money, to be driven during brutal Great Lakes winters while the owner's "good" car remains garaged and protected from corrosive road salt for the season.