Definition

A tool used in navigation that looks like a compass but does not have magnetic needles. It has two sighting vanes to help take bearings.

Example

The captain used the pelorus to determine the ship's direction without relying on magnetic fields.

Conversation

Have you ever used a pelorus for navigation?

No, I haven't, but I've heard they're really useful for taking bearings.

Yeah, they help a lot when you're out at sea without a compass.

I should learn more about them; it sounds like an interesting tool!

Synonyms & Antonyms

Root Explanation

Pelorus originates from the Latin word 'pelorus', which is derived from the Greek 'peloros' (meaning a large fish or a type of fish). The term was used in navigation to refer to a type of navigational instrument that helps in determining the direction of a ship relative to the horizon.

Memory Tip

Imagine a large fish ('peloros') guiding a ship through the waters — that's how 'pelorus' relates to navigation.

Visually Confused Words