KielderDie Europäische Union ist wie ein Boot, das den Kiel im Mittelmeer und den Mast in der Ostsee hat. Mr President, Commissioner, the European Union is like a boat, whose keel is in the Mediterranean Sea and whose mast is in the Baltic.
In a dirigible, a construction similar in form and use to a ship's keel; in an aeroplane, a fin or fixed surface employed to increase stability and to hold the machine to its course
The periphery of a whorl extended to form a more or less flattened plate; a prominent spiral ridge