Definition of sector
(Entry 1 of 2)
1a : a geometric figure bounded by two radii and the included arc of a circle
b(1) : a subdivision of a defensive military position
(2) : a portion of a military front or area of operation
c : an area or portion resembling a sector
bilingual sector of town— David Kleinberg
d : a sociological, economic, or political subdivision of society
cooperation between the public and private sectors— Peter Chapman
2 : a mathematical instrument consisting of two rulers connected at one end by a joint and marked with several scales
3 : a subdivision of a track on a computer disk
sector
verbDefinition of sector (Entry 2 of 2)
: to divide into or furnish with sectors
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Time Traveler for sector
The first known use of sector was in 1570
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