• (n.) The dress and ornaments of a pontiff. • (a.) Of or pertaining to a pontiff, or high priest; as, pontifical authority; hence, belonging to the pope; papal. • (a.) Of or pertaining to the building of bridges. • (n.) A book containing the offices, or formulas, used by a pontiff. Found on http://thinkexist.com/dictionary/meaning/pontifical/
Pon·tif'ic·al adjective [ Latin pontificalis : confer French pontifical . See Pontiff .] 1. Of or pertaining to a pontiff, or high priest; as, pontifical authority; hence, belonging to the pope; papal. 2. Of or pertaining to the building of bridges. [ R.]... Found on http://www.encyclo.co.uk/webster/P/126