A method of docking with a boat's stern to the dock. Mercator A type of projection of the globe used when making charts . Since the world is a sphere, it is impossible to draw accurate charts on flat paper. A Mercator projection shows all of the meridians as straight vertical lines rather than lines that would intersect. This is the type of projection used on a typical world map, but the distances become very distorted near the poles .
Meridians are imaginary circles that run through both poles.
A small line used to pull a heavier line or cable. The messenger line is usually easier to throw, lead through holes or otherwise manipulate than the line that it will be used to pull. The study of weather. A red and white vertically striped buoy used in the United States to mark the middle of a channel . Midchannel buoys may be passed by on either side.