Learn how to say Biennial correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word biennial:
1taking place every other year:
the first of a series of biennial exhibitions
Compare with biannual.
2(of a plant) taking two years to grow from seed to fruition and die. Compare with annual, perennial.
1a biennial plant.
2an event celebrated or taking place every two years:
the top antiques fairs are the Milan and Florence biennials
early 17th century: from Latin biennis (from bi- ‘twice’ + annus ‘year’) + -al: