Etymology
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azimuth (n.)

"arc marking the distance of a star from the north or south point of the meridian," late 14c., from Old French azimut, from Arabic as-sumut "the ways," plural of as-samt "the way, direction" (see zenith). Related: Azimuthal.

updated on March 09, 2017

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Definitions of azimuth from WordNet

azimuth (n.)
the azimuth of a celestial body is the angle between the vertical plane containing it and the plane of the meridian;
Synonyms: az
From wordnet.princeton.edu, not affiliated with etymonline.