biennial

Adjective
  1. Having a life cycle lasting two seasons (synset 300681488)
    "a biennial life cycle"; "parsnips and carrots are biennial plants often grown as annuals"
    referred to in: botany, phytology - the branch of biology that studies plants
    same as: two-year
  2. Occurring every second year (synset 301976542)
    "they met at biennial conventions"
    similar to: periodic, periodical - happening or recurring at regular intervals
    same as: 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 (synset 111573427)
    referred to in: botany, phytology - the branch of biology that studies plants
    is a type of: flora, plant, plant life - (botany) a living organism lacking the power of locomotion

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