WordofTheDay.US

quadrant

/ˈkwɒd.ɹənt/ noun

Latin root: quadrāns Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about quadrant at Wordnik → Where our words come from →

  1. A quarter of the circumference of a circle.
  2. Any of the four areas into which a plane is divided by two orthogonal coordinate axes.
  3. The area enclosed by two perpendicular radii of a circle.

Origin

Inherited from Middle English quadrant, from Old French cadran, quadrant and its etymon Latin quadrāns, -antis (“fourth part of something, quarter”). Doublet of quadrans.

From Wiktionary, via Kaikki.org (CC BY-SA)