Bifora A window or slide usually divided by a column or pillar (mullion) in two parts. Bifora was characteristic of romanesque and gothic architecture. romanesque bifora in the church of St. Peter and Paul, 12th century, Detwang, Germany, photo: F.Greihalter, Wikimedia Commons romanesque biforas in the church in Tursac, 12th century, France, photo I.Pere, Wikimedia Commons gothic bifora at the Beynac castle, 14th century, France, photo Wikimedia Commons gothic bifora of the church of Santa Maria del Mar, 14th century, Barcelona, Catalonia, photo J.Michalew return to the dictionary index