Main Entry: vac·u·ole

Pronunciation: \ˈva-kyə-ˌwōl\

Function: noun

Etymology: French, literally, small vacuum, from Latin vacuum

Date: 1853

1 : a small cavity or space in the tissues of an organism containing air or fluid
2 : a cavity or vesicle in the cytoplasm of a cell usually containing fluid — see cell illustration

— vac·u·o·lar \ˌva-kyə-ˈwō-lər, -ˌlär\ adjective