adjective. Lasting or living for two years.

adjective. Happening every second year.

adjective. Having a life cycle that normally takes two growing seasons to complete.

noun. An event that occurs every two years.

noun. undefined

noun. A plant that normally requires two seasons to complete its life cycle, growing usually as a rosette in the first season and producing flowers and fruits and then dying in the second season.

noun. A perennial plant, such as the English daisy, cultivated as a biennial.

Happening or taking place once in two years: as, biennial games.

Continuing or lasting for two years; changed or renewed every two years: Said especially of plants.

noun. A plant which requires two seasons of growth to produce its flowers and fruit, growing one year and flowering, fruiting, and dying the next.

noun. An exercise, as a college examination, occurring once in two years. Sometimes also bisannual.

noun. Something which takes place or appears once in two years; esp. a biennial examination.

noun. A plant which exists or lasts for two years.

adjective. Happening, or taking place, once in two years.

adjective. Continuing for two years, and then perishing, as plants which form roots and leaves the first year, and produce fruit the second.

adjective. Happening every two years.

adjective. Lasting for two years.

noun. A plant that requires two years to complete its life-cycle, germinating and growing in its first year, then producing its flowers and fruit in its second year, after which it usually dies.

adjective. occurring every second year

adjective. having a life cycle lasting two seasons

noun. (botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season

"Because of the insisted use of the term biennial, one of the more controversial and talked about aspects of the event is what role the visual arts would actually play in this event and how they would be presented."

annual  biannual  biennially  biennium  perennial  

periodic  periodical  

flora  plant  plant life  

bicentennial  centennial  decennial  millennial  perennial  

81st  city-parish  decennial  forthis  free-flowering  

amphibian  angiosperm  anniversary  annual  annual holiday