A line running from the stern of the boat to a dock or pier when moored.

(1) A large casting shaped to allow the propeller blades to revolve. The rudder is fitted on the after post. (2) The principal vertical timber in a ship's stern, upon which the rudder is fastened.

Here are a few old superstitions of seamen: (1) When a ship was launched or about to sail on a long voyage, a libation was offered to the gods of the sea by pouring wine upon the deck so that good fortune would accompany the ship. (2) Flowers carried on b ...

A single complete operation consisting of progressive phases starting and ending at the neutral position.

This is the pressure found on the suction side of a refrigeration system.

Maritime area usually specified by range of ports in which a vessel may operate

Iron or steel straps fastened diagonally across a ship's frames to make a rigid framework.

In a dynamic compressor, surge limit is the capacity below which the compressor operation becomes unstable.

Sailing with the wind from astern, in the same direction toward which the wind is blowing

The operation of rinsing out a cask to prepare it for new contents. Casks were once the primary means of carrying on board the necessary water and victuals.

The tall, narrow, waterproof box that houses a vessel's centerboard and allows it to be retracted into the ship's hull.

Course Over Ground

A navigational instrument used to measure the altitude of celestial bodies

A short period at the turn of the tide. The time between flood and ebb tides when there is no current flow.

Similar to a Barber hauler, a twing adjusts the angle of sheeting.

(1) A ruffle on the water indicating a breath of wind during a calm (2) A twisting hitch made in the bight of a rope to form two eyes, through which the hook of a tackle is passed for hoisting purposes.

1) To wear a boat is the operation of bringing a sailing vessel onto the other tack by bringing the wind around the stern, as opposed to tacking, where the wind is brought around the bow. 2) In respect to the flying of flags, a ship flies her national fla ...

Is the lowest temperature to which oil must be heated under standardized test conditions to drive off sufficient inflammable vapour to flash when brought into contact with a flame. Flash points of petroleum based lubricants increase with increasing pressu ...

The mark stencilled in and painted on a ship's side, designated by a circle and horizontal lines to mark the highest permissible load water lines under different conditions.

The best of its type of fishing boat. Word originates from a time when the crew used to fish from the deck of a vessel. The best fisherman got the highest place on deck, up in the bow, so his line was the highest above the sea.