Vacuole
Pronunciation : Vac"u*ole
Part of Speech : n.
Etymology : [L. vacuus empty: cf. F. vacuole.] (Biol.)
Definition : Defn: A small air cell, or globular space, in the interior of organic cells, either containing air, or a pellucid watery liquid, or some special chemical secretions of the cell protoplasm. Contractile vacuole. (Zo?l.) See under Contractile, and see Illusts. of Infusoria, and Lobosa. -- Food vacuole. (Zo?l.) See under Food, and see Illust. of Infusoria.
Source : Webster's Unabridged Dictionary, 1913