Definition of gregarine in English:


Syllabification: greg·a·rine
Pronunciation: /ˈgregəˌrīn


  • 1Of or relating to a group of microscopic, wormlike protozoans that are internal parasites of insects, annelids, and other invertebrates.
    More example sentences
    • Aseptate gregarine fauna have been reported from various parts of the world including India.
    • These were determined to be the trophozoites of a gregarine parasite of the insect, and the present paper records the observations which have been made on this species.
    • The students established beetle populations with and without gregarine infection and then monitored the population over time.
  • 1.1(Of movement) slow and gliding, as seen in gregarine protozoans.


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  • A gregarine protozoan.
    • Class Gregarina (or subclass Gregarinidia), phylum Sporozoa, kingdom Protista
    More example sentences
    • Ciliates are alveolate protozoa that evolved unusually large cell sizes entirely differently from gregarines, with radically novel consequences for their genomes.
    • The cytoplasm of the gregarines was always irregular, dense, and occasionally presenting a dark stoch area.
    • Like the gregarines, however, the life cycle is primarily haploid, with diploidy only occurring before meiosis.


mid 19th century: from modern Latin Gregarina, from Latin gregarius (see gregarious).

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