noun
- plural of pelorus; navigational instruments used on ships to take bearings of distant objects
Usage: nautical
Examples
- The ship's officers used peloruses to determine their position relative to the lighthouse.
- Modern GPS has largely replaced traditional peloruses in maritime navigation.
- The captain ordered the crew to check the peloruses before entering the harbor.
- Two peloruses were mounted on opposite sides of the bridge for accurate readings.
- The navigation instructor demonstrated how to read peloruses properly.
- During the storm, the peloruses helped maintain course when visibility was poor.