Noun
type genus of the family Ascaridae: roundworms with a three-lipped mouth
Source: WordNetOf the parasites, the two most common in most of the U.S. and Canada are Ascaris and Strongyloides (both roundworms). Source: Internet
William Borlase wrote in 1758 of a "sea long worm", and in 1770 Gunnerus wrote a formal description of this animal, which he called Ascaris longissima. Source: Internet