| Noun | 1. | Romanesque architecture - a style of architecture developed in Italy and western Europe between the Roman and the Gothic styles after 1000 AD; characterized by round arches and vaults and by the substitution of piers for columns and profuse ornament and arcadesarchitectural style, style of architecture, type of architecture - architecture as a kind of art form Norman architecture - a Romanesque style first appearing in Normandy around 950 AD and used in Britain from the Norman Conquest until the 12th century |