- Happening, or taking place, once in two years; as, a
biennial election. - Continuing for two years, and then perishing, as plants
which form roots and leaves the first year, and produce fruit the
second.
2 . Biennial
[ n.]
- Something which takes place or appears once in two years;
esp. a biennial examination. - A plant which exists or lasts for two years.
Meaning of 'biennial' (Princeton's WordNet)
1 . biennial
[ a]
Meaning (1): - having a life cycle lasting two seasons
Example in sentence:
a biennial life cycle;
parsnips and carrots are biennial plants often grown as annuals