From Longman Dictionary of Contemporary Englishfrescofres‧co /ˈfreskəʊ $ -koʊ/ noun (plural frescoes or frescos) [countable] AVPa painting made on a wall while the plaster is still wet → mural
Examples from the Corpus
fresco• Part of a wall painting here, a bit of a fresco there.• The maximum possible wall and vault area inside is covered by mosaic or, in poorer churches, by fresco paintings.• Originally covered in fresco, the Scenes from the Life of the Virgin in stucco were added in 1664.• Painted with the intensity of fresco, they haunt the memory, loaded with illusion and nostalgia.• They are built on the Byzantine pattern, in small scale, and have painted fresco decoration.• But I am not sure that they add to it, either; this is the whole problem of the fresco.• Although this is possible, the fresco iconography does not really supply enough evidence to support it.• He looked up at the vaulted ceiling of the great hall and studied the fresco of constellations.Origin fresco (1500-1600) Italian “fresh” 