Merriam-Webster Logo
SINCE 1828
dictionary thesaurus view recents

Errantia

plural noun
Save Word
Er·​ran·​tia | \ eˈranch(ē)ə, -ntēə \

Definition of Errantia

in some classifications
: a division of Polychaeta comprising free-swimming worms (such as those of the genera Aphrodite, Nereis, and Polynoe) usually with well-developed parapodia and sense organs and without special respiratory structures

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!

History and Etymology for Errantia

New Latin, from Latin, neuter plural of errant-, errans, present participle of errare to wander, err

Keep scrolling for more

Learn More about Errantia

Statistics for Errantia

Cite this Entry

“Errantia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Errantia. Accessed 31 Oct. 2020.

Comments on Errantia

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

Show Comments  Hide Comments 

WORD OF THE DAY

wraith

Listen to the pronunciation of wraith

See Definitions and Examples »

Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games