ambulacral brush

noun

: a modified oral or anal ambulacral foot in heart urchins expanded into appendages resembling tentacles

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of ambulacral brush was in 1896

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!

Dictionary Entries Near ambulacral brush

Cite this Entry

“Ambulacral brush.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ambulacral%20brush. Accessed 26 Nov. 2024.

Love words? Need even more definitions?

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