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"
the distinct personality of an individual regarded as a persisting entity; "you can lose your identity when you join the army"
exact sameness; "they shared an identity of interests"
the individual characteristics by which a thing or person is recognized or known; "geneticists only recently discovered the identity of the gene that causes it"; "it was too dark to determine his identity"; "she guessed the identity of his lover"
an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1"