1. a major art exhibition or festival held every two years
Usage: often capitalized when referring to a specific event; commonly used in the context of contemporary art

Examples

• The Venice Biennale is one of the most prestigious art exhibitions in the world.
• Artists from around the globe compete to be selected for the international biennale.
• She exhibited her sculptures at the São Paulo Biennale last year.
• The biennale showcases emerging and established contemporary artists.
• Attending the biennale gave her valuable exposure in the art community.
• The next biennale will feature works exploring themes of identity and migration.