fresco UK /ˈfɹɛskəʊ/US /ˈfɹɛskoʊ/noun 3verb 1forms 4 noun3 •An artwork made by applying water-based pigment to wet or fresh lime mortar or plaster. •The technique used to make such an artwork. •A cool, refreshing state of the air; coolness, duskiness, shade.[…] I [Satan] cannot stay Flaring in sun-shine all the day: For, entre nous, we hellish sprites, Love more the fresco of the nights; […] — 1722 verb1 •To paint using fresco. formsfrescoed · frescoing · frescoes · frescos