What is "stomach worm"

Stomach \Stom"ach\, n. [OE. stomak, F. estomac, L. stomachus, fr. Gr. sto`machos stomach, throat, gullet, fr. sto`ma a mouth, any outlet or entrance.]

1. (Anat.) An enlargement, or series of enlargements, in the anterior part of the alimentary canal, in which food is digested; any cavity in which digestion takes place in an animal; a digestive cavity. See Digestion, and Gastric juice, under Gastric.

2. The desire for food caused by hunger; appetite; as, a good stomach for roast beef.
   --Shak.

3. Hence appetite in general; inclination; desire.

   He which hath no stomach to this fight, Let him depart.
   --Shak.

4. Violence of temper; anger; sullenness; resentment; willful obstinacy; stubbornness. [Obs.]

   Stern was his look, and full of stomach vain.
   --Spenser.

   This sort of crying proceeding from pride, obstinacy, and stomach, the will, where the fault lies, must be bent.
   --Locke.

5. Pride; haughtiness; arrogance. [Obs.]

   He was a man Of an unbounded stomach.
   --Shak.

   Stomach pump (Med.), a small pump or syringe with a flexible tube, for drawing liquids from the stomach, or for injecting them into it.

   Stomach tube (Med.), a long flexible tube for introduction into the stomach.

   Stomach worm (Zo["o]l.), the common roundworm ( Ascaris lumbricoides) found in the human intestine, and rarely in the stomach.

n. The common roundworm (''Ascaris lumbricoides''), sometimes found in the human intestine, and rarely in the stomach.