Siculo-Norman adjective 1noun 1forms 1 adjective1 •(historical) Of or pertaining to the period of Norman rule of Sicily, 1071–1194.Duke Serra di Falco, has presented his work on the Siculo Norman Churches to the Institute—stating that he is collecting minerals, &c., for the Institute. — 1842 noun1 •(historical) A Norman who settled in Sicily during or after the Norman conquest of southern Italy, or a descendant of one.But the finest example of the blending of the Saracenic and the Romanesque, with the rich ornamentation in mosaic carried out so effectively by the Siculo-Normans, is S. Maria dell'Ammiraglio,[…]. — 1869 formsSiculo-Normans