biennial has definitions from the field of botany
1
[ adjective ] (botany) having a life cycle lasting two seasons

Synonyms

two-year

Examples

"a biennial life cycle" "parsnips and carrots are biennial plants often grown as annuals"

Related terms

perennial annual botany

2
[ adjective ] occurring every second year

Synonyms

biyearly

Examples

"they met at biennial conventions"

Related terms

year year

3
[ noun ] (botany) 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

Related terms

plant

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