/ Dictionary / Index A ascariasis: Meaning and Definition of Find definitions for: as•ca•ri•a•sis Pronunciation: (as"ku-rī'u-sis), [key] — n. Pathol. infestation with ascarids, esp. Ascaris lumbricoides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ascariasis (Thesaurus) ascared ascarid Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language