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Lacunae - 2 dictionary results

la⋅cu⋅na

  [luh-kyoo-nuh]
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–noun, plural -nae  [-nee] , -nas.
1. a gap or missing part, as in a manuscript, series, or logical argument; hiatus.
2. Anatomy. one of the numerous minute cavities in the substance of bone, supposed to contain nucleate cells.
3. Botany. an air space in the cellular tissue of plants.
Origin:
1655–65; < L lacūna ditch, pit, hole, gap, deficiency, akin to lacus vat, lake 1 . Cf. lagoon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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la·cu·na   (lə-kyōō'nə)   
n.   pl. la·cu·nae (-nē) or la·cu·nas
  1. An empty space or a missing part; a gap: "self-centered in opinion, with curious lacunae of astounding ignorance" (Frank Norris).
  2. Anatomy A cavity, space, or depression, especially in a bone, containing cartilage or bone cells.

[Latin lacūna; see lagoon.]
la·cu'nal adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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