To turn the boat away from the wind. also Fall Off.

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

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

Incapable of being mixed without separation phases. Water and petroleum oil are immiscible under most conditions, although they can be made miscible with the addition of an emulsifier.

Letters, numbers, and other symbols placed on cargo packages to facilitate identification. Also known as marks.

Bell used for striking the half hours of each watch.

An irrevocable letter issued for a specific amount; renews itself for the same amount over a given period.

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

The first plank on the outer hull of a wooden vessel next to the keel. In steel ships, the plating next to the keel, or what is known as strake A.

An expression describing a sailing ship set with every sail she can carry.

A Customs document permitting the holder to temporarily carry or send merchandise into certain foreign countries (for display, demonstration or similar purposes) without paying duties or posting bonds. Any of various Customs documents required for crossin ...

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

Allows foreign merchandise arriving at one port to be transported in bond to another port, where a superseding entry is filed.

A carrier giving a customer illegal preference to attract cargo. This can take the form of a money refund (rebate); using lower figures than actual for the assessment of freight charges (undercubing); misdeclaration of the commodity shipped to allow the a ...

A very strong sail used in stormy weather. It is loose footed, being attached to the mast, but not the boom. This helps prevent boarding waves from damaging the sail or the rigging.

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

A double block where the two sheaves lie in a plane one below the other, rather than alongside each other.

A windlass or capstan drum.

A topsail on the main mast.

One who earns his living by service at sea.