ascaris

[ as-kuh-ris ]

/ ˈæs kə rɪs /

any parasitic roundworm of the genus Ascaris, found in the human small intestine and causing colic and diarrhea.

Words nearby ascaris

< New Latin (Linnaeus), the genus < Greek ascarís intestinal worm; compare earlier, late Middle English ascarides (plural) < Medieval Latin < Greek

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

In the author's opinion, the most frequent causes of this complaint in puppies are round-worms (Ascaris marginata).
Sporting Dogs|Frank Townend Barton
Treutler's drawing of Hamularia, as copied by Leuckart, looks like an Ascaris upside down.
A System of Practical Medicine By American Authors, Vol. II|Various
A species of Ascaris and a Trichosoma (T. entomelas) are not uncommon in the intestines.
Parasites|T. Spencer Cobbold
As that helminthologist had accurately surmised, the Ascaris delphini of Rudolphi must be regarded as identical with this species.
Parasites|T. Spencer Cobbold

A slightly more complicated metamorphosis is common in the genera Ascaris and Strongylus.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour

Ascaris

[ ăs′kə-rĭs ]

A genus of large roundworms parasitic in the small intestine of humans and other vertebrates.