VACUOLE

vacuole

(noun) a tiny cavity filled with fluid in the cytoplasm of a cell

Source: WordNet® 3.1

Etymology

Noun

vacuole (plural vacuoles)

(cytology) A large membrane-bound vesicle in a cell's cytoplasm.

Source: Wiktionary

Vac"u*ole, n. Etym: [L. vacuus empty: cf. F. vacuole.] (Biol.)

Definition: 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. (Zoöl.) See under Contractile, and see Illusts. of Infusoria, and Lobosa.

– Food vacuole. (Zoöl.) See under Food, and see Illust. of Infusoria.

Source: Webster’s Unabridged Dictionary 1913 Edition