# Meaning of quadrant in English

Table of contents

## Noun

quadrant### Etymology

late Middle English (denoting the astronomical instrument): from Latin quadrans, quadrant-‘quarter’, from quattuor‘four’### Definitions

1. a quarter of the circumference of a circle- 2. a quarter of the circumference of a circle
- 3. any of the four areas into which a plane is divided by two orthogonal coordinate axes
- 4. the area enclosed by two perpendicular radii of a circle
- 5. a measuring instrument for measuring altitude of heavenly bodies