/ Dictionary / Index G gregarine: Meaning and Definition of Find definitions for: greg•a•rine Pronunciation: (greg'u-rīn", -ur-in), [key] — n. a type of sporozoan parasite that inhabits the digestive and other cavities of various invertebrates and produces cysts filled with spores. —adj. having the characteristics of or pertaining to a gregarine or gregarines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gregarine (Thesaurus) gregale gregarious Related Content Daily Word Quiz: pertinent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language