For other uses, see Ethnic groups in Europe. The Caucasian race (also Caucasoid or occasionally Europid) is a taxon historically used to describe the physical or biological type of some or all of the populations of Europe, North Africa, the Horn of Africa, Western Asia, Central Asia, and South Asia.he term Caucasian race was coined by the German philosopher Christoph Meiners in his The Outline of History of Mankind (1785).