A pointed metal spike, used to separate strands of rope in splicing.

The time allotted to a man to stand at the helm.

A powerful, strongly built boat designed to tow or push other vessels, and to assist in maneuvering a ship in a confined area.

A tiller that is designed to be used in the event that wheel steering fails.

A large square of heavy canvas fitted with lines to allow it to be drawn under the hull of a ship where it is damaged. The pressure of the seawater holds it tight against the ship and greatly reduces the inflow of water.

A sailboat with its bow pointed directly into the wind, preventing the sails from filling properly and stopping the boat. It can be very difficult to get a boat that is in irons back under sail. also known as "In Stays".

Indicates the jib or staysail being boomed out on the opposite side of the mainsail in a following wind, giving a large amount of sail area presented to the wind. see Wing and Wing

A letter of credit that allows the beneficiary to transfer in whole or in part to another beneficiary any amount which, in aggregate, of such transfers does not exceed the amount of the credit. Used by middlemen.

To leak; take in water.

The area between opposing shipping lanes, restricted to most navigation except for crossing with caution

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

Is used to cool compressed air or gas. Designed to reduce the temperature and liquefy condensate vapors.

The stay leading from the mast to the bow

An end closure for the filter case or bowl that contains one or more ports.

To remove a sail.

A portion of the discharge gas is redirected through a heat exchanger and then expanded back to suction pressure, where it is mixed with normal suction gas stream and commonly used to compensate for process flow demands.

Used in emergencies, this is a container which allows oil to drip into the sea in heavy weather. An oil slick is produced which prevents waves from breaking over the deck of a boat.

An area of the North Atlantic east of the Bahamas where a powerful eddy in the water causes Sargasso weed to collect in vast quantities and float on the surface.

A gap unintentionally left uncovered while painting or varnishing.

Always within Institute Warranties Limits (Insurance purpose).