As·cid·i·oi·da \əˌsidēˈȯidə, aˌ-\
variants: or



Definition of Ascidioida

  1. taxonomic synonym of ascidiacea

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 ascidioida

New Latin, from ascidi- + -oida, -oidea

Seen and Heard

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


a rounded knoll or a ridge of ice

Get Word of the Day daily email!