Alternative term: Cylindrical Buoy
A buoy of which the upper part of the body (above the waterline), or the larger part of the superstructure, has the shape of a cylinder or nearly so.
Note: The German term Stumpftonne also includes buoys of truncated cone shape.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM