‖n. [ NL., fr. Gr. &unr_; an intestinal worm. ] (Med.) A disease, usually accompanied by colicky pains and diarrhea, caused by the presence of ascarids in the gastrointestinal canal. [ Webster 1913 Suppl. ]

n.; pl. Ascarides r Ascarids. [ NL. ascaris, fr. Gr. &unr_;. ] (Zool.) A parasitic nematoid worm, especially 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. [ 1913 Webster ]

n. a natural family of large roundworms parasitic in intestines of vertebrates.
Syn. -- family Ascaridae. [ WordNet 1.5 ]

n. a roundworm having a preanal sucker.
Syn. -- genus Ascaridia. [ WordNet 1.5 ]

n. 1. 1 the type genus of the family Ascaridae: roundworms with a three-lipped mouth.
Syn. -- genus Ascaris. [ WordNet 1.5 ]

n. [ Sp., small thin bark, Peruvian bark, dim. of cáscara bark. ] (Bot.) A euphorbiaceous West Indian shrub (Croton Eleutheria); also, its aromatic bark. [ 1913 Webster ]

Cascarilla bark (or
Cascarilla) (Med.), the bark of Croton Eleutheria. It has an aromatic odor and a warm, spicy, bitter taste, and when burnt emits a musky odor. It is used as a gentle tonic, and sometimes, for the sake of its fragrance, mixed with smoking tobacco, when it is said to occasion vertigo and intoxication. [ 1913 Webster ]

n. (Chem.) A white, crystallizable, bitter substance extracted from oil of cascarilla. [ 1913 Webster ]