family Ascaridae
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| Noun | 1. |  family Ascaridae - large roundworms parasitic in intestines of vertebratesworm family - a family of worms Aschelminthes, Nematoda, phylum Aschelminthes, phylum Nematoda - unsegmented worms: roundworms; threadworms; eelworms Ascaris, genus Ascaris - type genus of the family Ascaridae: roundworms with a three-lipped mouth Ascaridia, genus Ascaridia - roundworm having a preanal sucker |