A mobile water tank deployed to distribute fresh water in emergency situations where the normal system of piped distribution has broken down or is insufficient.
A buffoon or imbecile.
A road vehicle (often a trailer) for the transport of liquid fuel, particularly aviation fuel at an airfield.
A fuel metering/delivery pump at a filling station.
A specialized firefighting apparatus designed for transporting water from a water source, such as a lake or hydrant, to a fire scene.
A first-class petty officer in charge in a fireroom, who supplies the boilers with water, sees that fires are properly cleaned and stoked, etc.