Glossary
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TermDefinition
- General Nautical Terminology Abaft
A position or direction towards the rear (stern) of a vessel relative to a specific point of reference on the boat.
In maritime terminology,...
More Details - General Nautical Terminology, Nautical Saying Above board
Above board refers to something done openly, honestly, and straightforwardly without deceit or dishonesty. It originates from pirates hiding crew...
More Details - General Nautical Terminology Above deck
Above deck refers to the area of a boat or ship located on the main deck or any higher deck levels. This area is typically exposed to the...
More Details - General Nautical Terminology, Nautical Saying Aloof
Aloof originally had a different meaning than its modern-day use to describe someone emotionally distant. In maritime language, Aloof comes from...
More Details - General Nautical Terminology Angle of Vanishing Stability (AVS)
The Angle of Vanishing Stability (AVS) refers to the maximum angle at which a vessel can heel (lean to one side) before it loses its ability to...
More Details - General Nautical Terminology AVS
The Angle of Vanishing Stability (AVS) refers to the maximum angle at which a vessel can heel (lean to one side) before it loses its ability to...
More Details - General Nautical Terminology Back
To back a sail means to adjust it so that the wind blows on the opposite side from normal, causing the sail to push the boat in the opposite...
More Details - General Nautical Terminology Bearing to Waypoint (BTW)
Bearing to waypoint refers to the direction to reach a specific point, known as a waypoint. The bearing is given as the crow flies and does not...
More Details - General Nautical Terminology Block
A block is a type of pulley system used to change the direction of a line, rope, or cable on a boat. Blocks consist of one or more grooved...
More Details - Did you know?, General Nautical Terminology Bosun
A bosun, short for boatswain, is a senior crew member on a ship responsible for the vessel's maintenance, repair, and overall operation. The...
More Details - General Nautical Terminology, Knot Bowline
A type of knot used to form a fixed loop at the end of a rope, commonly employed in maritime settings for securing or towing.
The bowline is...
More Details - General Nautical Terminology BTW
Bearing to waypoint refers to the direction to reach a specific point, known as a waypoint. The bearing is given as the crow flies and does not...
More Details - General Nautical Terminology Cable More Details
- General Nautical Terminology Cardinal Bearing
Cardinal Bearings are the main points on a compass, expressed by their name. There are four main cardinal points, North, South, East, and West...
More Details - General Nautical Terminology Chief Mate
The second-in-command on a vessel, responsible for overseeing the ship's day-to-day operations, cargo handling, and the safety of the crew and...
More Details - General Nautical Terminology Clear
Clear weather refers to atmospheric conditions free of significant cloud cover, precipitation, fog, or other weather disturbances. The sky is...
More Details - General Nautical Terminology Clear
To disentangle a line, for example, removing it from a dock cleat when manoeuvring out of a marina.
When departing from a mooring, it is good...
More Details - General Nautical Terminology, Weather (Meteorology) Cyclone
A cyclone is a large-scale atmospheric circulation system characterised by inward-spiralling winds around a low-pressure centre. In marine...
More Details - General Nautical Terminology, Weather (Meteorology) Cyclonic
Cyclonic refers to a weather system characterised by air rotation around a low-pressure centre, typically in a counterclockwise direction in the...
More Details - General Nautical Terminology Deck Officer
A licensed mariner responsible for the safe navigation, operation, and management of a vessel's deck department.
Deck Officers, also known as...
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