1. having a life cycle lasting two seasons; - Example: "a biennial life cycle" - Example: "parsnips and carrots are biennial plants often grown as annuals" [syn: biennial, two-year]
WordNet (r) 3.0 (2006):
two-year
adj 1: having a life cycle lasting two seasons; "a biennial life
cycle"; "parsnips and carrots are biennial plants often
grown as annuals" [syn: biennial, two-year] [ant:
annual, one-year, perennial]