What is another word for lubber line?
Pronunciation: [lˈʌbə lˈa͡ɪn] (IPA) 
The term "lubber line" is commonly associated with nautical navigation and refers to a horizontal line on a ship's compass that remains stationary while the compass card spins. This line is used as a reference point for calculating the ship's heading. Synonyms for the term include "error line," "alignment line," and "reference line." In addition, the "lubber line" is sometimes referred to as the "north-south line" or the "magnetic meridian" because it indicates the direction of true north. Regardless of the name, the lubber line is an essential tool for sailors to maintain course and navigate safely through the waters.
