/ Dictionary / Index S stomach worm: Meaning and Definition of Find definitions for: stom'ach worm" Pronunciation: [key] a nematode, Haemonchus contortus, parasitic in the stomach of sheep, cattle, and related animals. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stomach tooth stomachy Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language