WordReference Random House Unabridged Dictionary of American English © 2026
per•en•nate
(per′ə nāt′, pə ren′āt),USA pronunciation v.i., -nat•ed, -nat•ing. [Bot.]
per′en•na′tion, n.
- Plant Biologyto survive from season to season for an indefinite number of years.
- Latin perennātus, past participle of perennāre to continue for a long time, derivative of perennis; see perennial, -ate1
- 1615–25