quadrant
(noun)
noun
1. a quarter of the circumference of a circle
Definition categories: location, line
2. any of the four areas into which a plane is divided by two orthogonal coordinate axes
Definition categories: location, area, country
3. the area enclosed by two perpendicular radii of a circle
Definition categories: location, area, country
4. a measuring instrument for measuring altitude of heavenly bodies
Definition categories: man–made