A superfamily of polymyarian nematode worms. An important characteristic of this group is the presence of three prominant lips around the mouth of the organism. ... (12 Dec 1998) ... 
Type: Term Pronunciation: as′kă-ri-doy′dē-ă Definitions: 1. Superfamily of stout, three-lipped intestinal roundworms that includes the family Ascarididae.