What does 'swab' refer to in a naval context?

In a naval context, 'swab' primarily refers to a type of mop used for cleaning the decks aboard a ship. This definition emphasizes the practical aspect of maintaining cleanliness and hygiene in the often challenging environments of naval vessels. Swabs are typically used for mopping up spills, removing dirt, and ensuring that living and workspaces are kept tidy and presentable.

Understanding this term is important for Navy recruits, as deck maintenance is a critical part of shipboard duties. While other definitions may exist in broader contexts—for example, a "swab" might refer to a cleaning supply in a more general sense—the specific answer connects directly with the practical application and tools utilized by sailors on ships. This connection to actual naval life reinforces the significance of proper terminology in maintaining operational standards within the Navy.