<p><strong>Noun:</strong></p><ul><li>an extensive, continuous part of a surface, space, or body: a region of the earth.</li><li>the vast or indefinite entirety of a space or area, or something compared to one: the regions of the firmament; the regions of the mind.</li><li>a part of the earth's surface (land or sea) of considerable and usually indefinite extent: a tropical region.</li><li>a district without respect to boundaries or extent: a charming region in Connecticut.</li><li>a part or division of the universe, as the heavens: a galactic region.</li><li>a large indefinite area or range of something specified; sphere: a region of authority.</li><li>an area of interest, activity, pursuit, etc.; field: studies in the region of logic.</li><li>an administrative division of a city or territory.</li><li>a major faunal area of the earth's surface, sometimes one regarded as a division of a larger area.</li><li>a place in or a division of the body or a part of the body: the abdominal region.</li><li>an open connected set; the union of such a set and some or all of its boundary points.</li></ul>