plural noun

: a class or in former classifications an order of Chaetopoda comprising hermaphroditic terrestrial and aquatic annelids distinguished from the polychaetes by possession of compact localized gonads and simple direct life histories without formation of a trochophore and by lack of parapodia and head specialization see archioligochaeta , neoligochaeta

Word History


New Latin, from olig- + Greek chaitē long hair

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Dictionary Entries Near Oligochaeta

Cite this Entry

“Oligochaeta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Oligochaeta. Accessed 23 Apr. 2024.

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