azimuth

詳細解釋：

az.i.muth

n.Abbr. az.（名詞）縮寫 az.
The horizontal angular distance from a reference direction, usually the northern point of the horizon, to the point where a vertical circle through a celestial body intersects the horizon, usually measured clockwise. Sometimes the southern point is used as the reference direction, and the measurement is made clockwise through 3'0=.
方位角，方位：從某一參考方向測量的地平線的角距離，通常指從地平線北端到通過天體和地平線相交的垂直的圓周上的某一點，一般順時針測量。有時南部的點作為參考方向，以3'0°為標準做順時針測量
The horizontal angle of the observer`s bearing in surveying, measured clockwise from a referent direction, as from the north, or from a referent celestial body, usually Polaris.
方位角：觀察者通過測量所具有的水平角度，從某一參考方向順時針測量，如從北部或從參考天體處，通常從北極星
The lateral deviation of a projectile or bomb.
* 或射彈的側位偏差

來源：
Middle English azimut
中古英文 azimut
from Old French
源自 古法文
from Arabic as-sumôt [pl. of] as-samt [the way, compass bearing]
源自 阿拉伯語 as-sumôt [] as-samt的複數 [路，羅盤軸承]
from Latin sômita [path]
源自 拉丁語 sômita [小路]

【引伸】
az.imuth.al
az.imuth.ally
adv.（副詞）