"quadrent" is probably misspelled. Trying quadrant instead Definition of quadrant
1
[ noun ] the area enclosed by two perpendicular radii of a circle
2
[ noun ] any of the four areas into which a plane is divided by two orthogonal coordinate axes
3
[ noun ] a quarter of the circumference of a circle

Synonyms

quarter-circle

4
[ noun ] a quarter of the circumference of a circle

Synonyms

right_angle

5
[ noun ] a measuring instrument for measuring altitude of heavenly bodies
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