plural noun Spi·rot·ri·cha \spīˈrä‧trə̇kə\

Definition of Spirotricha

  1. :  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

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Origin and Etymology of spirotricha

New Latin, from spir- + -tricha

Seen and Heard

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a rounded knoll or a ridge of ice

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