sector

Definitions


[ˈsɛktə], (Noun)

Definitions:
- an area or portion that is distinct from others
(e.g: operations in the southern sector of the North Sea)

- the plane figure enclosed by two radii of a circle or ellipse and the arc between them

- a mathematical instrument consisting of two arms hinged at one end and marked with sines, tangents, etc. for making diagrams


Phrases:

Origin:
late 16th century (in sector, sector): from late Latin, a technical use of Latin sector ‘cutter’, from sect- ‘cut off’, from the verb secare




definition by Oxford Dictionaries