Definition of azimuth noun from the Oxford Advanced Learner's Dictionary

 

azimuth

 noun
noun
BrE BrE//ˈæzɪməθ//
 
; NAmE NAmE//ˈæzɪməθ//
 
(astronomy)
 
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an angle related to a distance around the earth’s horizon, used to find out the position of a star, planet, etc. Word Origin late Middle English (denoting the arc of a celestial circle from the zenith to the horizon): from Old French azimut, from Arabic as-samt, from al ‘the’ + samt ‘way, direction’.
See the Oxford Advanced American Dictionary entry: azimuth