starboard

Starboard is the right side of a vessel when you are standing aboard facing the bow, the forward end. The term comes from the Old English steorbord, literally the steering side, because early Norse and Anglo-Saxon ships were steered using a single oar mounted on the right side. This steering oar, called a steer-board, gave the side its name. Port, the opposite side (left when facing forward), was called larboard until the eighteenth century, when the Royal Navy standardised the term to avoid confusion with starboard in noisy conditions.

In shipyard and naval contexts, starboard remains a critical reference line. Every deck plan, every watertight compartment, every piece of rigging is described relative to starboard and port. The distinction matters absolutely: a leak on the starboard side of a double bottom may be handled differently from one on the port side, depending on the ship's construction and the weight distribution of cargo. Crew members must understand instantly which side is which, especially in emergencies or poor visibility.

The watch system mentioned in your definition refers to port and starboard watches, a traditional two-watch rotation common in merchant and naval shipping. One watch (starboard watch) takes duty for four hours while the other rests; they alternate throughout the voyage. This rotating schedule ensures the ship is staffed round the clock. The terminology is so embedded that the starboard watch may include crew members stationed on the port side during their watch.

Starboard remains mandatory vocabulary in any maritime operation, from tanker operations to fishing vessels to naval architecture. International maritime regulations, collision avoidance rules (COLREGS), and all maritime communication assume absolute clarity about left and right. Red navigation lights mark the starboard side of a vessel at night, while green marks port. This colour convention is universal and non-negotiable.