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
have (something) on (someone)
to have information or proof that someone did something wrong
I think that the police have something on the man and that is why he is afraid.
