Arthrozoa

plural noun Ar·thro·zoa

Definition of Arthrozoa

  1. :  a primary division of Invertebrata in which the Arthropoda and certain worms were formerly grouped

arthrozoan

adjective or noun

arthrozoic

\-¦zōik\ adjective

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of arthrozoa

New Latin, from arthr- + -zoa


Seen and Heard

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

WORD OF THE DAY

a rounded knoll or a ridge of ice

Get Word of the Day daily email!