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
having a life cycle lasting two seasons; "a biennial life cycle"; "parsnips and carrots are biennial plants often grown as annuals"
occurring every second year; "they met at biennial conventions"
(classical mythology) the first and best age of the world, a time of ideal happiness, prosperity, and innocence; by extension, any flourishing and outstanding period
any period (sometimes imaginary) of great peace and prosperity and happiness
a time period when some activity or skill was at its peak; "it was the golden age of cinema"