roundworm

roundworm [round-wurm] Word Origin noun

1. any nematode, especially Ascaris lumbricoides, that infests the intestine of humans and other mammals.

Origin of roundworm First recorded in 1555–65; round1 + worm Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for roundworm roundworm noun

1. any nematode worm, esp Ascaris lumbricoides, a common intestinal parasite of man and pigs

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 roundworm in Medicine roundworm [round′wûrm′] n.

1. nematode

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