Maritime Glossary
Source-cited definitions for shipping, engineering, navigation, and regulatory terminology. Confidence-scored and verified against primary IMO, IHO, and industry sources.
- Reeferrefrigerated container · reefer container · refrigerated cargo
- A reefer is a refrigerated ship or shipping container used to carry perishable cargo such as fruit, vegetables, meat, fish and pharmaceuticals under precisely controlled temperature, and sometimes controlled humidity and atmosphere, from origin to market.
- cargovessel-typeshigh confidence
- Ro-RoRoll-on/Roll-off · RORO
- Ro-Ro, short for roll-on/roll-off, describes ships that carry wheeled cargo (cars, trucks, trailers and machinery) which is driven on and off the vessel over ramps, rather than lifted by crane. Examples include car carriers and vehicle ferries.
- vessel-typescargohigh confidence
- Ruddership rudder
- A rudder is the flat, movable surface at the stern of a ship, turned by the steering gear, that steers the vessel. By deflecting the water flowing past it, the rudder generates a sideways force that turns the ship.
- navigationnaval-architectureship-handlinghigh confidence