n.
1.a plane figure bounded by two radii and the included arc of a circle
2.a body of people who form part of society or economy
3.a particular aspect of life or activity
4.the minimum track length that can be assigned to store information
5.a portion of a military position
6.measuring instrument consisting of two graduated arms hinged at one end
Idiom of the Day
double-talk
talk or words that appear to mean something but do not
The speaker gave the audience much double-talk and nobody knew what he wanted to say.