(from the article `Somali`) The basis of Somali society is the rr, or large, self-contained kinship group or clan, consisting of a number of families claiming common descent ... Found on http://www.britannica.com/eb/a-z/r/35
Rear-engine rear-wheel drive. A vehicle that is propelled solely by its rear wheels and whose engine is located aft of its front axle. Found on http://www.edmunds.com/glossary/