(aviation) a small narrow-bodied jetliner designed to carry 30-150 passengers in one class for flight segments of 2000 kms or less.

The central part of the (notably human) body near the pubes and the pubis, including the genitalia.

(often pluralized) Hell; a realm beneath the surface of the earth conceived as the abode of the souls of the dead and, sometimes, as the abode of demons or evil spirits.

(topology) A connected component of the complement in a manifold of a lamination of that manifold.

A region of the Czech Republic. Capital: Olomouc

plural of regional metamorphism

(business) The practice of delegating or assigning of procedures, functions or jobs from production within a business in one location to an internal entity that specializes in that operation in another location within a geographic region.

The land along the coast of the Barents Sea to establish international cooperation after the fall of the Soviet Union.

(anatomy) One of the nine areas that the abdomen is divided into. / Used other than figuratively or idiomatically: see abdominal, region.

(geology) Widespread change in rock due to high pressure and temperature throughout an area