lacuna: Meaning and Definition of

la•cu•na

Pronunciation: (lu-ky'nu), [key]
— pl. -nae -nas.
  1. a gap or missing part, as in a manuscript, series, or logical argument; hiatus.
  2. one of the numerous minute cavities in the substance of bone, supposed to contain nucleate cells.
  3. an air space in the cellular tissue of plants.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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