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Glossary term Description

Unit of volume in US grain industry. In metric terms, grain is typically measured in tonnes.


Bunkers are ship's fuel which may be marine gas (MGO), diesel (MDO), heavy fuel oil (HFO), which is sometimes referred to as Bunker "C",  or, increasingly, liquefied natural gas (LNG). To take on fuel is known as bunkering.

bunkerer A company that supplies bunkers. The company will normally also supply a range of marine lubricants.
bulk carrier

Also bulker. Ship designed for the carriage of bulk cargoes.

bulk cargo

Homogeneous cargoes, eg grain, coal, iron ore


Term coined from the words British exit (from the European Union)

breast line A mooring line, sent away from either forward or aft, that is perpendicular to the centre line of the vessel.
breakbulk cargo

Cargo not shipped by container but in individual crates or pallets. May also include ro-ro cargo

breadth Use width when referring to objects, e.g., lock width 34m. Note: vessels have a beam/breadth.
bracing/bracing beams Items used to secure general cargo loads. Bracing is usually made from squared lumber beams that are fitted between the load and the load-bearing sections of the container in order to take up the horizontal and vertical forces acting on the load. The bracing is subject to compressive stress.