pe·​lo·​rus pə-ˈlȯr-əs How to pronounce pelorus (audio)
: a navigational instrument resembling a mariner's compass without magnetic needles and having two sight vanes by which bearings are taken

Word History


origin unknown

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of pelorus was in 1854

Dictionary Entries Near pelorus

Cite this Entry

“Pelorus.” Dictionary, Merriam-Webster, Accessed 13 Jun. 2024.

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