Definition of quadrant noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈkwɒdrənt//
    ; NAmE NAmE//ˈkwɑːdrənt//
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  1. 1(geometry) a quarter of a circle or of its circumference (= the distance around it)
  2. 2an instrument for measuring angles, especially to check your position at sea or to look at stars
  3. Word Originlate Middle English (denoting the astronomical instrument): from Latin quadrans, quadrant- ‘quarter’, from quattuor ‘four’.
See the Oxford Advanced American Dictionary entry: quadrant