Open English Wordnet
Nouns
(n)sectora plane figure bounded by two radii and the included arc of a circle (n)sectora social group that forms part of the society or the economy“the public sector” (n)sector, spherea particular aspect of life or activity“he was helpless in an important sector of his life” (n)sectorthe minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes (n)sectora portion of a military position (n)sectormeasuring instrument consisting of two graduated arms hinged at one end