Origin of azimuth
Examples from the Web for azimuthal
Historical Examples of azimuthal
The deviation of a transit-instrument from the plane of the meridian at the horizon; it is also termed the azimuthal error.The Sailor's Word-Book
William Henry Smyth
I think, to the Azimuthal Arch of the Horizon included between the point of sunrise and that of sunset!
Word Origin for azimuth
"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).