Quadrant
WordNet
noun
(1) A measuring instrument for measuring altitude of heavenly bodies
(2) The area enclosed by two perpendicular radii of a circle
(3) Any of the four areas into which a plane is divided by two orthogonal coordinate axes
(4) A quarter of the circumference of a circle
(5) A quarter of the circumference of a circle
WiktionaryText
Etymology
From , accusative singular of .
Noun
- One of the four sections made by dividing an area with two perpendicular lines.
- The four regions of the Cartesian plane bounded by the x-axis and y-axis.
- One fourth of a circle or disc; a sector with an angle of 90°.
- A measuring device with a graduated arc of 90° used in locating an altitude.
Etymology
From .