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1. Biology a cavity or depression, such as any of the spaces in the matrix of bone
2. another name for coffer



(1) In animals and man, the interstices between elements of tissues and between organs lacking their own walls. In animals with a closed circulatory system, the lacunae are usually filled with lymph; in those with an open system, they are filled with hemolymph. Lacunae that attain relatively large dimensions are called sinuses. In the majority of animals that have a heart and an open circulatory system, the lacunae are usually found on the venous path.

(2) In man, depressed areas on the surfaces of organs (for example, the tonsillar cryptae); on the anterior surface of the hip, the lacuna vasorum is a compartment for the passage of the femoral artery and vein, and the lacuna musculorum is a compartment for the passage of the iliopsoas muscle and femoral nerve.

(3) In plants, the same as leaf gaps.

(4) In linguistics and literary studies, a blank space, an omission, or a missing part of a text.


A small space or depression.
A cavity in the matrix of bone or cartilage which is occupied by the cell body.
References in periodicals archive ?
Peter Riesenberg is Professor of History at Washington University, a specialist in medieval italy to which he devotes almost a third of his ambitiously comprehensive but unfortunately superficial, enthusiastic, error-strewn, lacunose and sloppily written survey.
7) E interessante che anche il Vasari, nelle poche e assai lacunose pagine dedicate a Lotto, sia colpito dalla religiosita dell'artista veneto, soprattutto dopo il ritiro di questi presso la Santa Casa di Loreto: "Come era vivuto costumatamente e buon cristiano, cosi mori, rendendo l'anima al Signore Dio.
Primary textual sources relating to the subject are tangential, lacunose, or late (and frequently all three); archaeology remains in a problematic state, thanks to a patchy history of excavation and publication over the last century and a half.
To a classicist, therefore, it is distressing to find Phillis Wheatley, a late eighteenth-century Boston slave, and the first African ever to publish a book of poems in English, express her reflections on memory, race, and the lacunose nature of her own cultural inheritance in a poem that is classically infused.
Comparison with the relevant textual and archaeological evidence available suggests that our tradition of a particular passage of this ecphrasis is lacunose.