biennial

(bī-ĕnˈē-əl)

1. Lasting or living for two years.
2. Happening every second year.
3. Botany Having a life cycle that normally takes two growing seasons to complete.

1. An event that occurs every two years.
2. Botany
   a. 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.
   b. A perennial plant, such as the English daisy, cultivated as a biennial.

Related Forms:

• bi·enˈni·al·ly adverb