Origin of platyhelminth

First recorded in 1875–80, platyhelminth is from the New Latin word Platyhelmintha flatworm. See platy-, helminth
Related formsplat·y·hel·min·thic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for platyhelminth


  1. any invertebrate of the phylum Platyhelminthes (the flatworms)
Derived Formsplatyhelminthic, adjective

Word Origin for platyhelminth

C19: from New Latin Platyhelmintha flatworm, from platy- + Greek helmins worm
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

platyhelminth in Medicine


  1. flatworm
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

platyhelminth in Science


  1. See flatworm.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.