Azimuthal definitions

Of or pertaining to the azimuth; in a horizontal circle.
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(cartography) Describing a map projection which preserves direction for all points relative to a selected point (in some cases two points).
adjective
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Origin of azimuthal

From Old French azimut, which in turn is likely to be taken directly and unchanged from Turkish map-makers, which in turn is culturally transmitted from the Arabic word as-sumūt or al-sumūt (the plural of as-samt or al-samt).