• (n.) A large ornamental letter used, esp. by the early printers, at the commencement of the chapters and other divisions of a book. Found on http://thinkexist.com/dictionary/meaning/fac/
Fac (făk) noun [ Abbrev. of facsimile .] A large ornamental letter used, esp. by the early printers, at the commencement of the chapters and other divisions of a book. Brande & C. Found on http://www.encyclo.co.uk/webster/F/1
A fac (from a shortening of facsimile) is a large ornamental letter used, especially by the early printers, at the commencement of the chapters and other divisions of a book. Found on http://www.probertencyclopaedia.com/browse/AF.HTM