n. | 1. a perennial plant that needs no protection in winter 2. something that people have continued to use, discuss, or enjoy for a number of years 3. a plant that lives for several years and is not killed by winter conditions 4. an idea, question, or situation that is repeated over several years 1. a perennial plant that needs no protection in winter 2. something that people have continued to use, discuss, or enjoy for a number of years 3. a plant that lives for several years and is not killed by winter conditions 4. an idea, question, or situation that is repeated over several years |