Glossary Archive

The direction from a vessel's current position to a predetermined navigational point or waypoint. In marine navigation, Bearing to Waypoint is a concept used to guide a vessel towards a specific location, often defined by coordinates or a known landmark. The bearing is expressed in degrees, typically relative to true north or magnetic north, depending...

An upright wall within the hull of a ship. Particularly a watertight, load-bearing wall.

Softwood device for plugging holes in vessel or failed seacocks.

 A built-in bed or sleeping berth on a boat or ship, typically compact and designed to maximise space efficiency.  A bunk is a fundamental feature of maritime living quarters, providing a designated sleeping area for crew or passengers aboard a vessel. Unlike conventional beds, bunks are specifically designed to accommodate the unique spatial and stability challenges of...

A floating device anchored at a specific location in a body of water, used as a navigational aid, marker, or warning signal for vessels. A buoy serves as a critical tool in maritime navigation and safety, providing visual and sometimes auditory signals to mariners. These floating devices are typically anchored to the seabed or riverbed...

A personal flotation device designed to assist a person in staying afloat in water, typically used in recreational boating or water sports. A buoyancy aid is a type of personal flotation device (PFD) that provides additional buoyancy to help a person stay on the surface of the water. Unlike lifejackets, which are designed to turn...

A floating pyrotechnic device that emits dense, orange coloured smoke to signal distress or indicate position at sea.  A buoyant smoke flare is an essential piece of marine safety equipment designed for use in emergency situations. It is typically housed in a waterproof, buoyant casing that allows it to float on the water’s surface while...

A triangular flag worn at the masthead

“By and large”—another classic sailing phrase that’s drifted into everyday English. Here’s the nautical story behind it: ⚓ Nautical Origin of By and Large: In sailing terms: “By” the wind means sailing close-hauled, or as directly into the wind as possible—with the sails pulled in tight. “Large” means sailing with the wind coming from behind or at a favorable angle,...

An enclosed space on a boat or ship that provides shelter and accommodation for passengers or crew. A cabin on a boat or ship is a designated indoor area that serves as living quarters for those on board. It is typically designed to offer protection from the elements, providing a comfortable space for sleeping, resting,...