/ Dictionary / Index A Aschelminthes: Meaning and Definition of Find definitions for: Asc•hel•min•thes Pronunciation: (ask"hel-min'thēz), [key] — n. Zool. a major grouping (formerly a phylum) of small-to-microscopic pseudocoelomate organisms, as the rotifers, nematodes, and gastrotriches, all of which are now classified as separate phyla. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aschelminthes (Thesaurus) Ascham Aschheim-Zondek test Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language