From Longman Dictionary of Contemporary Englishalfrescoal‧fres‧co /ælˈfreskəʊ $ -koʊ/ adjective, adverb DFOUT/OUTSIDEif you eat alfresco, you eat in the open air We dined alfresco, on a balcony overlooking the sea.alfresco lunch/supper etc
Examples from the Corpus
alfresco• alfresco diningalfresco lunch/supper etc• The center of the park and his favorite spot for alfresco lunch on warm afternoons.Origin alfresco (1700-1800) Italian “in the fresh (air)” 