Dictionary.com
Thesaurus.com

pelorus

American  
[puh-lawr-uhs, -lohr-] / pəˈlɔr əs, -ˈloʊr- /

noun

Navigation.
  • peloruses
    plural
  1. a device for measuring in degrees the relative bearings of observed objects.


pelorus British  
/ pɪˈlɔːrəs /

noun

  1. a sighting device used in conjunction with a magnetic compass or a gyrocompass for measuring the relative bearings of observed points

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of pelorus

1850–55; perhaps < Latin Pelōrus, now Faro in Sicily, a cape which requires skill in navigation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

If, now, the compass were correct it would agree with the pelorus in showing the ship's head to be North.

From Lectures in Navigation by Ernest Gallaudet Draper

First, that when the bearing is taken, the exact heading, as shown by the ship's compass, is the heading shown by the pelorus.

From Lectures in Navigation by Ernest Gallaudet Draper

As soon as possible after anchoring secure your bearings by pelorus and have them checked up by the quartermaster at regular intervals.

From Lectures in Navigation by Ernest Gallaudet Draper

Second, it must be remembered that the bearing of any object obtained from the pelorus is the bearing by compass.

From Lectures in Navigation by Ernest Gallaudet Draper

"Better use the pelorus and be careful about West Chop's bearing after we pass her, Mr. Bangs," Captain Mayo warned his first mate.

From Blow The Man Down A Romance Of The Coast - 1916 by Holman Day

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training