Definition of the word scrubber

The word "scrubber" originated in the early 19th century in the context of shipbuilding and seafaring. In sailing ships, the bilge pumps were placed at the bottom of the hull, where water accumulated due to the boat's motion. However, these pumps became clogged over time with sediment, making it difficult for them to function correctly. The task of removing the sludge and debris from these pumps fell to the "scumble boatswain," a role filled by an apprentice or low-ranking crew member. The scumble boatswain's job was challenging and often associated with unpleasant odors and conditions, resulting in the label "scumble" or "scum" being attached to the role. By the mid-19th century, the term "scumbers" was increasingly used to describe the crew members assigned to this duty. Eventually, the term "scrubber" became standard, underscoring the importance of cleaning and maintaining the ship's systems to prevent flooding and ensure safety at sea.