Bucephalus (Ancient Greek: Βουκέφαλος "ox-headed", from βους, "ox", and κεφαλή, "head") was a type of branding mark anciently used on horses. It was one of the three most common, besides Ϻ, San, and Ϙ, Koppa. Those horses marked with a San were called Σαμφόραι, Samphórai; those with a Koppa, Κοππατίαι, Koppatíai; and those with an ox's head, Βουκέφαλοι, Bucéphaloi.
- Hammond, N. G. L. (1998). "Chapter One: The boyhood of Alexander". The Genius of Alexander the Great. Chapel Hill: The University of North Carolina Press. ISBN 0-8078-4744-5. Retrieved 15 February 2016.
Bucephalus, meaning 'Oxhead', so named from the brand-mark on his haunch, was a stallion some four years old.
This article incorporates text from a publication now in the public domain: Chambers, Ephraim, ed. (1728). "article name needed". Cyclopædia, or an Universal Dictionary of Arts and Sciences (first ed.). James and John Knapton, et al.