1. A spiral turn or wreath.
2. (Zoöl.)
Defn: A whorl of a spiral shell.
VOLVA
Vol"va, n. Etym: [L. volva, vulva, covering.] (Bot.)
Defn: A saclike envelope of certain fungi, which bursts open as the plant develops.
VOLVOX
Vol"vox, n. (Bot.)
Defn: A 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 Volvox globator, often called globe animalcule.
VOLVULUS Vol"vu*lus, n. Etym: [NL., fr. L. volvere to turn about, to roll.] (Med.) (a) The spasmodic contraction of the intestines which causes colic. (b) Any twisting or displacement of the intestines causing obstruction; ileus. See Ileus.
VOLYER
Vol"yer, n. (Zoöl.)
Defn: A lurcher. [Prov. Eng.]