circular measure: Meaning and Definition of

cir'cular meas'ure

Pronunciation: [key]
  1. a measurement system for circles: 1 circle = 360 degrees (4 quadrants); 1 quadrant = 90 degrees; 1 degree = 60 minutes; 1 minute = 60 seconds.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.