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rhumb

American  
[ruhm, ruhmb] / rʌm, rʌmb /

noun

Navigation.
  1. rhumb line.

  2. a point of the compass.


rhumb British  
/ rʌm /

noun

  1. short for rhumb line

"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

Etymology

Origin of rhumb

1570–80; < Spanish rumbo < Latin rhombus rhombus

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:

The problem is that rhumb lines aren’t lines; they’re spirals that wind toward the North or South Pole.

From Slate Jan. 21, 2026

Before the days of GPS, sailors often charted nautical courses using what’s called a rhumb line.

From Slate Jan. 21, 2026

They are known for distinctive rhumb lines that radiate out from various points in the ocean in the direction of wind or compass points to help navigators plot their course.

From Los Angeles Times Oct. 25, 2023

To ensure that every cartouche, sea monster and rhumb line remains vibrant, the men keep the Venetian blinds in their south-facing apartment drawn, as if for a permanent siesta.

From New York Times Jan. 23, 2014

On looking at our binnacle, they pointed to the north-west rhumb, and made us easily understand that it was the course they always steered on their return to Macassar.

From Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 1 by King, Phillip Parker

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