as·​ca·​rid ˈa-skə-rəd How to pronounce ascarid (audio)
: any of a family (Ascaridae) of nematode worms that includes the common roundworm (Ascaris lumbricoides) parasitic in the human intestine

Word History


ultimately from Late Latin ascarid-, ascaris intestinal worm, from Greek askarid-, askaris, probably by back-formation from askarizein to jump, throb, alteration of skarizein, from skairein to gambol

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of ascarid was in the 14th century

Dictionary Entries Near ascarid

Cite this Entry

“Ascarid.” Dictionary, Merriam-Webster, Accessed 15 Apr. 2024.

Medical Definition


as·​ca·​rid ˈas-kə-rəd How to pronounce ascarid (audio)
: a nematode worm of the family Ascaridae
ascarid adjective
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