1888, in the meaning defined above
borrowed from German Cnidocyste, from Greek knī́dē "nettle, sea nettle" + German -o- -o- + -cyste -cyst — more at cnidarian
Time Traveler for cnidocyst
See more words from the same year
Cite this Entry
“Cnidocyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cnidocyst. Accessed 7 Dec. 2021.
See Definitions and Examples »
Get Word of the Day daily email!
Name that Thing: Flower Edition
Test your knowledge - and maybe learn something along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Top 10 Latin Phrases
From the week ending 12/3/2021
Don't argue with the dictionary
A simple trick to keep them separate
How 'literally' can mean "figuratively"
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
How many do you know?
Take the quiz
Test your knowledge - and maybe learn something a...