kuadran

Etymology
From, from , from.

Noun

 * 1) quadrant:
 * 2)  one of the four regions of the Cartesian plane bounded by the x-axis and y-axis.
 * 3)  one fourth of a circle or disc; a sector with an angle of 90°.
 * 4)  a measuring device with a graduated arc of 90° used in locating an altitude.