any invertebrate of the phylum Trochelminthes (now usually broken up into several phyla), comprising the rotifers, gastrotrichs, and several other forms.
Origin of trochelminth
< New Latin Trochelminthes phylum name, equivalent to Greek troch(ós) wheel + helminth- helminth + -es plural noun suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any invertebrate of the former taxonomic group Trochelminthes, which included the rotifers and gastrotrichs, now classed as separate phyla
Word Origin for trochelminth
C19: from New Latin trochelminthes, from Greek trokhos wheel, from trekhein to run + helminth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012