Noun
A part of a circle comprehended between two radii and the included arc.
A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.
An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.
Source: Webster's dictionaryThe 'private sector' of the economy is, in fact, the voluntary sector; and the 'public sector' is, in fact, the coercive sector. Henry Hazlitt
...on youth unemployment - governments should ensure that one out of three of jobs in the public sector are opened up to the youth and that at least one person in every household should have access to a job. Tawakkol Karman
In all earlier civilizations, it should be remembered, commerce was treated as a narrow activity and by no means the senior sector in society. John Ralston Saul
I do not believe there is a long-term future for the privately rented sector in its present form. Anthony Crosland
Philanthropy is involved with basic innovations that transform society, not simply maintaining the status quo or filling basic social needs that were formerly the province of the public sector. David Rockefeller
MCJOB: A low-pay, low-prestige, low-dignity, no-future job in the service sector. Frequently considered a satisfying career choice for people who have never held one. Douglas Coupland