- a device for measuring in degrees the relative bearings of observed objects.
Origin of pelorus
Examples from the Web for pelorus
Historical Examples of pelorus
In taking a bearing by pelorus, two facts must be kept in mind.
These bearings will be secured in the best way by the use of your pelorus.
He became famous and popular, and was known as "Pelorus Jack."More Science From an Easy Chair
Sir E. Ray (Edwin Ray) Lankester
"The Pelorus will send a boat as soon as we've anchored," he told them.
And maybe you should tell them about the Pelorus and the bathyscaphe.
- a sighting device used in conjunction with a magnetic compass or a gyrocompass for measuring the relative bearings of observed points