Definify.com
Webster 1913 Edition
Biennial
Bi-en′ni-al
,Adj.
1.
Happening, or taking place, once in two years;
as, a
. biennial
election2.
(Bot.)
Continuing for two years, and then perishing, as plants which form roots and leaves the first year, and produce fruit the second.
Bi-en′ni-al
,Noun.
1.
Something which takes place or appears once in two years; esp. a biennial examination.
2.
(Bot.)
A plant which exists or lasts for two years.
Webster 1828 Edition
Biennial
BIEN'NIAL
,Adj.
1.
Continuing for two years and then perishing; as plants, whose root and leaves are formed the first year, and which produce fruit the second.2.
In botany, continuing for two years and then perishing; as plants, whose root and leaves are formed the first year, and which produce fruit the second.