📖 WordNook

biennial

adjective
  1. having a life cycle lasting two seasons
    “a biennial life cycle”
    two-year
  2. occurring every second year
    “they met at biennial conventions”
    biyearly
noun
  1. (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”