Толковый словарь английского языка - sector

I. noun see: saw Date: 1570 1. a geometric figure bounded by two radii and the included arc of a circle, b. a subdivision of a defensive military position, a portion of a military front or area of operation, an area or portion resembling a ~ , a sociological, economic, or political subdivision of society , a mathematical instrument consisting of two rulers connected at one end by a joint and marked with several scales, a subdivision of a track on a computer disk, ~al adjective II. transitive verb (~ed; ~ing) Date: 1884 to divide into or furnish with ~s