To change a boat's direction, bringing the bow through the eye of the wind.

A purchase where two or more blocks are used to increase mechanical advantage, or the power exerted on a line. (pronounced "taykle").

An electrode when polarized frequently yields a current potential relationship over a region which can be approximated by:h=

The after rail at the stern of a ship. Also called a Pushpit

A propeller drawn through the water that operates a meter on the boat registering the speed and distance sailed

The log mounted on the taffrail and consisting of a rotator, a log line and recording device (to measure distance run through the water).

There after

Technical Advisory Group

The end of a line.

A rope spliced into the end of a block and used for making it fast to rigging or spars. Such a block is called a tail-block.

Rear of a container or trailer-opposite the front or nose.

An order given to take hold of a rope and pull.

The after section of the propeller shaft.

A wind blowing in the same direction as the heading of a moving object. thus assisting the object's intended progress. The opposite of a head wind.

To pass a turn around a belaying pin or cleat.

To remove a sail.

To lower and furl the sails.

Loaded with more cargo than a ship can safely navigate with. Drunk.

Total Allowable Level of Foreign Fishing

A float with a flag at the top of a pole. Used to mark a position such as for a mooring, a race or a man overboard.