(Botany) Having a life cycle that normally takes two growing seasons to complete.
Happening or appearing once a year; yearly
The definition of a perennial person or thing is when they exist or are active for a whole year or a long time.
Find another word for two-year. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for two-year, like: biennial, annual, perennial, split-site, , theology-religious, , one-year, , and null.