[per-uh-neyt, puh-ren-eyt]
verb (used without object), per·en·nat·ed, per·en·nat·ing. Botany.
  1. to survive from season to season for an indefinite number of years.

Origin of perennate

1615–25; < Latin perennātus, past participle of perennāre to continue for a long time, derivative of perennis; see perennial, -ate1
Related formsper·en·na·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for perennate


  1. (intr) (of plants) to live from one growing season to another, usually with a period of reduced activity between seasons

Word Origin for perennate

C17: from Latin perennātus, from perennāre, from per- (through) + annus year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012