English dictionary

biennial meaning and definition


Definition of biennial (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

BIENNIAL adjective

Definition of biennial (adjective)

  1. having a life cycle lasting two seasons
    • "a biennial life cycle"; "parsnips and carrots are biennial plants often grown as annuals"
    • synonyms: two-year
    • antonym: perennial
  2. occurring every second year
    • "they met at biennial conventions"
    • synonyms: biyearly
Source: Princeton University Wordnet