plural noun

: a large order consisting of euciliate protozoans with well-developed peristome and adoral zone of membranelles and general body cilia that are uniform or variously reduced and fused into cirri and including the suborders Heterotricha, Oligotricha, and Hypotricha

Word History


New Latin, from spir- + -tricha

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Dictionary Entries Near Spirotricha

Cite this Entry

“Spirotricha.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Spirotricha. Accessed 30 May. 2024.

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