An instrument for measuring, testing, or registering.

A unit of 1,000 bars of pressure.

Abbreviation for "Government Bill of Lading."

To cause the land to sink below horizon by sailing away from it.

The amount of work done on or by a system is equal to the amount of energy transferred to or from the system.

A sliding fitting that attaches to a track allowing for the adjustment of blocks or other devices attached to the car.

Bell used for striking the half hours of each watch.

When the sheer curves down towards the bow and stern.

Master of a sea-going vessel. Certificated officer competent and qualified to be master of a sea-going vessel.

An L/C guaranteed by both the issuing and advising banks of payment so long as seller's documents are in order, and the L/C terms are met. Only applied to irrevocable L/C's. The confirming bank assumes the credit risk of the issuing bank.

A small boat intended to be used only for short sails or racing.

A sailboat with two masts. Generally, the shorter mizzen mast is aft of the main mast, but forward of the rudder post, while a similar vessel, the yawl, has the mizzen mast aft of the rudder post. The mizzen mast of a ketch is larger than that of a yawl.

A shore that wind blows onto; it is best to stay well off a lee shore in a storm

A type of schooner without a bowsprit.

A letter of credit that requires the beneficiary to present only a draft or a receipt for specified funds before receiving payment.

A line attached to the boom to prevent it from accidentally gybing.

To ease out or slacken a line, chain or cable or let it run in a controlled manner.

Sailing beyond a racing mark or buoy whereby you sail a greater distance

An officer who attends to the berthing, etc., of ships in a harbor.

The command given to inform the crew that the helm is being turned quickly to leeward, turning the boat windward