n.
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
Idiom of the Day
whip up (something) or whip (something) up
to make something active, to stir something to action
The union leader whipped up the crowd with his speech.