WordWeb Online

1. A plane figure bounded by two radii and the included arc of a circle
    
2. A social group that forms part of the society or the economy
   "the public sector"
    
3. A particular aspect of life or activity
   "he was helpless in an important sector of his life";
   - sphere
    
4. The minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes
    
5. (military) a portion of a military position
    
6. Measuring instrument consisting of two graduated arms hinged at one end

Derived forms: sectors

Type of: aspect, computer memory unit, facet, measuring device, measuring instrument, measuring system, parcel, parcel of land, piece of ground, piece of land, plane figure, social group, tract, two-dimensional figure

Part of: allocation unit, battlefield, battleground, block, economic system, economy, field, field of battle, field of honor [US], society

Encyclopedia: Sector, West Virginia