ascarid

A parasitic nematoid worm, espec. the roundworm, Ascaris lumbricoides, often occurring in the human intestine and allied species found in domestic animals; also commonly applied to the pinworm (Oxyuris), often troublesome to children and aged persons.

Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.