What does biennial mean?

Definitions for biennial

Here are all the possible meanings and translations of the word biennial.

Princeton's WordNet

  1. biennial(adj)

    (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

  2. biennial, two-year(adj)

    having a life cycle lasting two seasons

    "a biennial life cycle"; "parsnips and carrots are biennial plants often grown as annuals"

  3. biennial, biyearly(adj)

    occurring every second year

    "they met at biennial conventions"


  1. biennial(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.

  2. biennial(Adjective)

    Happening every two years.

  3. biennial(Adjective)

    Lasting for two years.

  4. Origin: From biennium, from bis + annus.

Webster Dictionary

  1. Biennial(adj)

    happening, or taking place, once in two years; as, a biennial election

  2. Biennial(adj)

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

  3. Biennial(noun)

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

  4. Biennial(noun)

    a plant which exists or lasts for two years

Chambers 20th Century Dictionary

  1. Biennial

    bī-en′yal, adj. lasting two years: happening once in two years.—n. a plant that lasts two years.—adv. Bienn′ially. [L. biennalisbi-, twice, and annus, a year.]


  1. Chaldean Numerology

    The numerical value of biennial in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of biennial in Pythagorean Numerology is: 3

Images & Illustrations of biennial

  1. biennialbiennialbiennial

Translations for biennial

From our Multilingual Translation Dictionary

Get even more translations for biennial »


Find a translation for the biennial definition in other languages:

Select another language:

Discuss these biennial definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"biennial." Definitions.net. STANDS4 LLC, 2018. Web. 25 Mar. 2018. <https://www.definitions.net/definition/biennial>.

Are we missing a good definition for biennial? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for biennial:

Thanks for your vote! We truly appreciate your support.