Bi*en"ni*al (?), a. [L. biennalis and biennis, fr. biennium a space of two years; bis twice + annus year. Cf. Annual.]

1.

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

2. Bot.

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

 

© Webster 1913.


Bi*en"ni*al, n.

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 1913.

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