A pear-shaped, grooved metal fitting around which an eye splice is made

See Ship's Port Agent

A hand hold. Usually along the cabin top or ladder.

Shifting the moving block of a tackle from one place of attachment to another place farther along to give more advantage.

The motion of air relative to a body in it.

Condensation which occurs when a ship sails from a cool to a relatively warm climate.

A pump which is used to deliver air to the aquarium. The pump pushes air through silicon tubing and to air stones or other aquatic decor. They are also an essential for UGF's (undergravel filters). An air stone is placed in each clear tube. When the air b ...

To tie something with a line; to secure

An opening in a ship's deck for the loading and discharging of any kind of cargo.

International Labor Organization; Based in Geneva, it is one of the oldest components of the UN system of specialized agencies and has been involved over the years in appraising and seeking to improve and regulate conditions for seafarers. In its unusual ...

International Convention on Oil Pollution Preparedness,Response and Co-operation, IMO

The distance between the water level at chart datum and an overhead obstacle such as a bridge or power line.

A loop or hole which is spliced or tied on the end of a line

The original name for the left side of the vessel when facing forward. The name was changed to Port to avoid any confusion with starboard, the right side of the vessel when facing forward.

Insufficient number of crew; shorthanded.

The distance between a rope's adjacent strands, giving a measure of the tightness of the lay. The shorter the distance, the harder the lay. When a line has been overused and the lay has become slack, it is said to be slack-jawed.

Japanese tapered pipe thread (Male).

To bring a sailing vessel head to the wind or as close to it as possible in high seas, maintaining a slight forward motion.

A mechanical cleat used to hold a line automatically. It uses two spring loaded cams that come together to clamp their teeth on the line, which is place between them.

A short strut on a mast angled forward at about 45