WordReference Random House Unabridged Dictionary of American English © 2020
greg•a•rine (greg′ə rīn′, -ər in),USA pronunciation n.
- Microbiologya type of sporozoan parasite that inhabits the digestive and other cavities of various invertebrates and produces cysts filled with spores.
- Microbiologyhaving the characteristics of or pertaining to a gregarine or gregarines.
- Neo-Latin Gregarina name of type, equivalent. to Latin gregār(ius) (see gregarious) + -īna -ine1