quadrisyllabic
Quad`ri*syl*lab"ic, Quad`ri-syl*lab"ic*al, Defn: Having four syllables; of or pertaining to quadrisyllables; as, a quadrisyllabic word.
Quad`ri*syl*lab"ic, Quad`ri-syl*lab"ic*al, Defn: Having four syllables; of or pertaining to quadrisyllables; as, a quadrisyllabic word.