ARIA Meaning of ARIA in English a ‧ ri ‧ a /ˈɑːriə/ BrE AmE noun [countable] [ Date: 1700-1800 ; Language: Italian ; Origin: 'air' ] a song that is sung by only one person in an ↑ opera or ↑ oratorio Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012