plural noun
Mys·​ti·​ce·​ti | \ ˌmistəˈsēˌtī \

Definition of Mysticeti

: a suborder of Cetacea consisting of the whalebone whales — compare odontoceti

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from Mysticeti

mysticetous \ ¦⸗⸗¦sētəs \ adjective

History and Etymology for Mysticeti

New Latin, plural of mysticetus Greenland whale, from Greek mystikētos, a whale (dubious reading in some early editions of Aristotle where some recent editions read ho mys to ketos and interpret as “the ‘mouse’—that is, the whale so called”)

Keep scrolling for more

Learn More about Mysticeti

Statistics for Mysticeti

Cite this Entry

“Mysticeti.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on Mysticeti

What made you want to look up Mysticeti? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!