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lacuna

[ luh-kyoo-nuh ]
/ ləˈkyu nə /
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noun, plural la·cu·nae [luh-kyoo-nee], /ləˈkyu ni/, la·cu·nas.

a gap or missing part, as in a manuscript, series, or logical argument; hiatus.
Anatomy. one of the numerous minute cavities in the substance of bone, supposed to contain nucleate cells.
Botany. an air space in the cellular tissue of plants.

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Origin of lacuna

First recorded in 1655–65; from Latin lacūna “ditch, pit, hole, gap, deficiency,” akin to lacus “basin, tub, vat, lake”; see lake1. Cf. lagoon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for lacuna

lacuna
/ (ləˈkjuːnə) /

noun plural -nae (-niː) or -nas

a gap or space, esp in a book or manuscript
biology a cavity or depression, such as any of the spaces in the matrix of bone
another name for coffer (def. 3)
lacunose, lacunal or lacunary, adjectivelacunosity (ˌlækjʊˈnɒsɪtɪ), noun
C17: from Latin lacūna pool, cavity, from lacus lake
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for lacuna

lacuna
[ lə-kyōōnə ]

n. pl. la•cu•nas

An anatomical cavity, space, or depression, especially in a bone.
An empty space or a missing part; a gap; a defect.
An abnormal space between the strata or between the cellular elements of the epidermis.
corneal space
la•cunal adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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