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Definition of: lacuna
(lə·ky
′nə) noun plural ·nas or ·nae (-nē)
1. A space from which something is wanting or has been omitted; hiatus; gap.
2. A small pit, hollow, or depression; a gap or small opening.
3. Anat. One of the cavities in which lie the osteoblasts of bone. Also la·cune′ (-kyn′). [<L, a hole, pool <lacus a basin, pond]
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