sector

noun

1. a plane figure bounded by two radii and the included arc of a circle

Definition categories: shape

2. a social group that forms part of the society or the economy

- the public sector

Definition categories: group

3. a particular aspect of life or activity

- he was helpless in an important sector of his life

Similar word(s): sphere

Definition categories: thought, aspect, facet

4. the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes

Definition categories: quantity

5. a portion of a military position

Definition categories: location, parcel, tract

6. measuring instrument consisting of two graduated arms hinged at one end

Definition categories: man–made