[ spahy-nes-uh nt ]
/ spaɪˈnɛs ənt /


  1. becoming spinelike.
  2. ending in a spine.
  3. bearing spines.
Zoology. somewhat spinelike; coarse, as hair.

Origin of spinescent

First recorded in 1785–95, spinescent is from the Late Latin word spīnēscent- (stem of spīnēscēns, present participle of spīnēscere to grow thorny). See spine, -escent
Related formsspi·nes·cence, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for spinescent


/ (spaɪˈnɛsənt) /

adjective biology

having or resembling a spine or spines
becoming spiny
Derived Formsspinescence, noun

Word Origin for spinescent

C18: from Late Latin spīnēscere to become thorny, from Latin spīna a thorn
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