n.
Pronunciation: ' va-ky ə - ˌ w ō l
Function: noun
Etymology: F, 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 \ ˌ va-ky ə - ' w ō -l ə r, - ˌ lär \ adjective