Main Entry:

bi·en·ni·al

Pronunciation:

\(ˌ)bī-ˈe-nē-əl\

Function:

adjective

Date:

1562

1: occurring every two years2: continuing or lasting for two years ; specifically : growing vegetatively during the first year and fruiting and dying during the second

usage see bi-

— biennial noun

— bi·en·ni·al·ly \-ə-lē\ adverb