1. a distinct part or area of activity, especially in business or the economy
2. a part of a circle between two straight lines drawn from the center to the edge
Usage: geometry
3. a subdivision of a military area of operation
Usage: military

Examples

• The technology sector has grown rapidly in recent years.
• She works in the public sector as a government employee.
• The private sector creates most of the new jobs.
• Draw a sector of the circle using a compass.
• The pie chart shows each sector representing different data.
• Military forces divided the region into three sectors.
• The healthcare sector employs millions of people.