from The Century Dictionary.
- noun The typical genus of the Gregarinidæ. G. gigantea, the gregarine of the lobster, attains a length of two thirds of an inch.
- noun One of the Gregarinidæ; a gregarine.
Sorry, no etymologies found.
Every animal that has only one cell-nucleus, every amoeba, every gregarina, every infusorium, is unicellular, and remains unicellular whatever variety of matter it feeds on.