(n. pl.) An order of Protozoa, allied to the Rhizopoda, and parasitic in other animals, as in the earthworm, lobster, etc. When adult, they have a small, wormlike body inclosing a nucleus, but without external organs; in one of the young stages, they are amoebiform; -- called also Gregarinida, and Gregarinaria.
\D8GREGARIN\91
Meaning of \D8GREGARIN\91 in English
Webster's English dictionary. Английский словарь Webster. 2012