Legendary opportunists who lured vessels onto shoals during nights when there was no moonlight to illuminate the coastline.

On square-rigged ships, a small light square sail set above the skysail in fair weather. If the sail were triangular, it would be called a Skyscraper.

To attach a boat to a mooring, dock, post, anchor, etc.

An anchor or weight, permanently attached to the sea floor, with a buoy going to the surface, used to hold the boat in a certain area.

Securing to a dock or to a buoy, or anchoring with two anchors.

A strong pair of iron, steel or wooden posts on a ship's deck, around which ropes or cables are wound and held fast.

A buoy secured to a permanent anchor sunk deeply into the bottom.

A language of "dots" and "dashes" used to send messages, either sound using radio waves, or light using a searchlight or Aldis lamp.

Loan issued against some security

Small birds that foretell bad weather and bad luck.

(1) An engine. (2) The act of using an engine to move a boat.

Sailing with the motor on and in gear

Maximum breadth of a ship, measured from the insides of her plating.

An attachment point for another object.

Any small collar made with spunyarn or light line to hold something in place.

The passing of several turns of line across the jaw of a hook to prevent something on the hook, such as an eye or a line, from jumping clear.

Small stuff seized across a hook to prevent it from unshipping (once hooked, mousing keeps the hook on).

Combination minimum pressure valve and check valve.

ACRONYM - MATERIAL SAFETY DATA SHEETS

A large, flat bottomed boat used to carry the mud from a dredge.