a nematode, Haemonchus contortus, parasitic in the stomach of sheep, cattle, and related animals.
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Origin of stomach worm
First recorded in 1640–50
Words nearby stomach worm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for stomach worm
any of various nematode worms that are parasitic in the stomach of mammals, esp Haemonchus contortus, which infests sheep: family Trichostrongylidae
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