region

A large, usually continuous segment of a surface or space.

A portion of the earth’s surface distinguished from others by some characteristic.

A bioregion.

A political district or unit, often with its adjacent lands.

An area of the body having natural or arbitrarily assigned boundaries.

An area of interest or activity; a sphere.

An approximate degree or amount.

In the plan of excavations at Pompeii, one of the primary divisions introduced by Fiorelli about 1860. The arrangement is based on a misconception but has nevertheless been retained. Each region contains several blocks or insulæ.

In phytogeography: A mountain belt marked by peculiar floral types; an altitudinal zone. Thus used by Humboldt, who for the equatorial district of the Andes distinguished nine such regions. Schimper also prefers this term to zone in treating of mountain belts. He distinguishes, on purely œcological grounds, basal, montane, and alpine mountain regions.