The Centaur Compendium maintained by Anthony G. Francis, Jr. cen.taur \'sen-.to.(*)r\ n 1: one of a race fabled to be half man and half horse and to dwell in the mountains of Thessaly. A centaur is a mythical creature with the head and torso of a man joined to the body of a horse. With its origins in Greek mythology, the centaur is one of the most enduring mythological creations, persisting ...