Lubber's Mark (Noun)
Meaning
A fixed line on a ship's compass indicating its heading.
Classification
Nouns denoting communicative processes and contents.
Examples
- The lubber's mark was aligned with the direction of the ship's bow to determine the vessel's current heading.
 - To navigate safely, the helmsman had to keep the lubber's mark on the compass aligned with the prescribed course.
 - The lubber's mark on the compass card rotated as the ship changed direction, indicating the new heading.
 - The master checked the lubber's mark against the chart to confirm the ship was on course.
 - By consulting the chart and the lubber's mark, the navigator could accurately determine the ship's position and set a new course if necessary.