A rotating device with blades mounted on a shaft that converts engine power into thrust to propel the vessel through the water. Most commercial vessels use fixed-pitch or controllable-pitch propellers, typically with four to six blades.
Category: Ship Structure & Parts
On The Maritime
The desks that work with Ship Structure & Parts terms.
Related terms
More in Ship Structure & Parts
KeelThe principal structural member running longitudinally along the centerline of the bottom of a vessel's hull, from bow to stern.MastA vertical pole or structure rising above the deck of a vessel, used to support navigation lights, radar scanners, communication antennas, and signal flags.Mooring LinesHeavy ropes or wires used to secure a vessel to a berth, buoy, or another vessel.Poop DeckThe raised deck at the stern of a vessel, forming the roof of the aft accommodation or steering gear compartment.SuperstructureThe enclosed structure built above the main deck of a vessel, housing the bridge, accommodation, galley, and other operational spaces.WindlassA mechanical device located on the forecastle used for raising and lowering the anchor and its chain cable.
Back to DictionaryEntry updated May 2026