plural noun

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

Word History


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

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Dictionary Entries Near Errantia

Cite this Entry

“Errantia.” Dictionary, Merriam-Webster, Accessed 25 Apr. 2024.

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