azimuth

noun

az·​i·​muth ˈaz-məth How to pronounce azimuth (audio)
ˈa-zə-
1
: an arc of the horizon measured between a fixed point (such as true north) and the vertical circle passing through the center of an object usually in astronomy and navigation clockwise from the north point through 360 degrees
2
: horizontal direction expressed as the angular distance between the direction of a fixed point (such as the observer's heading) and the direction of the object
azimuthal adjective
azimuthally adverb

Illustration of azimuth

Illustration of azimuth
  • 1 horizon
  • 2 zenith
  • 3 star
  • 4 meridian
  • 5 vertical circle
  • 6 azimuth
  • 7 observer

Examples of azimuth in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Don’t worry about choosing between alt-azimuth (Alt-Az) and equatorial (EQ) mounts; since the moon is easy to find and track, the simplest manual mount will work well for eclipse viewing. Jamie Carter, Space.com, 2 Mar. 2026 The company says the longer, hybrid tonearm supports full adjustability for both azimuth and vertical tracking angle (VTA) and reduces distortion, especially on inner grooves. Brad Moon, Forbes.com, 25 Feb. 2026 Evolved from the azimuth thruster systems dating back to the mid-20th century and beyond, electric pod drives serve as a flexible, decentralized form of marine propulsion that increases efficiency, improves maneuverability and frees up space in a ship's hull. New Atlas, 12 Nov. 2025 Funded by the Federal Ministry of Research, Technology and Space (BMFTR), the new Polarstern will be equipped with two 160 PULL ARC LM azimuth propulsion systems, commonly known as rotating propeller nacelles. Georgina Jedikovska, Interesting Engineering, 17 Sep. 2025 See All Example Sentences for azimuth

Word History

Etymology

Middle English, from Medieval Latin azimut, from Arabic al-sumūt the azimuth, plural of al-samt the way

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of azimuth was in the 14th century

Browse Nearby Words

Cite this Entry

“Azimuth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/azimuth. Accessed 11 Mar. 2026.

Kids Definition

azimuth

noun
az·​i·​muth ˈaz-(ə-)məth How to pronounce azimuth (audio)
: horizontal direction of an object from a fixed point expressed as an angle

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