BLOCKSHIP

Protected waterway suitable for vessel mooring.

1. Having freedom of motion interfered with by collision or entanglement; entangled; the opposite of clear. For instance, a rope is foul when it does not run straight or smoothly, and an anchor is foul when it is caught on an obstruction.
2. A breach of racing rules.
3. An area of water treacherous to navigation due to many shallow obstructions such as reefs, sandbars, or many rocks, etc.
4. Foul the range: To block another vessel from firing her guns at a target.

The ratio of the underwater volume of a ship to the volume of a rectangular block with the same effective lengths, draft and beam

A unit of measurement equal to the space occupied by a standard twenty foot container. Used in stating the capacity of container vessel or storage area. One 40 ft. Container is equal to two TEU's.

The mooring lines extending from the foremost part of a vessel to the shore usually leading forward preventing movement astern.

The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into the pipe which feeds it; caused by reduced pressure in the pipe.

An officially designated offshore area for the burning of chemical waste by specially equipped vessels. The depiction of incineration areas on charts (in conjunction with radio warnings) is necessary to insure that passing vessels do not mistake the burning of waste for a vessel on fire.

The vertical distance from the molded baseline to the top of the freeboard deck beam at side, measured at midlength of the ship

A glass vessel with two electrodes at a definite distance apart and filled with a solution whose conductivity is to be measured.

A cable or rope used in securing a ship