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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 Mercator map is arguably the best for this purpose, because it straightens out spiraling rhumb lines, and that’s why it rose to dominance.

From Slate Jan. 21, 2026

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

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

The Nánwá must rise near the trial-shaft, which we are about to visit, and it snakes through the property in all directions with a general rhumb from west-north-west to east-south-east.

From To The Gold Coast for Gold, Vol. II A Personal Narrative by Sir Richard Francis Burton

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