volvox
nounAny of various one-celled flagellate freshwater green algae of the genus Volvox that form hollow mucilaginous spherical colonies of several hundred cells.
nounA small genus of fresh-water algæ, of the order Volrocineæ and class Cœnobieæ.
noun[lowercase] A member of the above genus: as, the globate volvox.
nounA genus of minute, pale-green, globular, organisms, about one fiftieth of an inch in diameter, found rolling through water, the motion being produced by minute colorless cilia. It has been considered as belonging to the flagellate Infusoria, but is now referred to the vegetable kingdom, and each globule is considered a colony of many individuals. The commonest species is
Any of the
type genus of the Volvocaceae; minute pale green flagellates occurring in tiny spherical colonies; minute flagella rotate the colony about an axis