Tardigrada

plural noun

Tar·​digra·​da
tärˈdigrədə,
ˌtärdəˈgrādə
1
in former classifications : an order of mammals equivalent to the Bradypodidae
2
: a division of Arthropoda comprising microscopic creatures that live in water or damp moss, resemble arachnids in having four pairs of legs, lack mouth appendages and circulatory and respiratory organs, and have a pair of styliform piercing organs connected with the pharynx

Word History

Etymology

New Latin, from neuter plural of Latin tardigradus slow-moving

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 Tardigrada

Cite this Entry

“Tardigrada.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Tardigrada. Accessed 29 Sep. 2023.

Love words? Need even more definitions?

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