n., pl. -nae (-nē) or -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.]

lacunal la·cu'nal adj.

noun

An interval during which continuity is suspended: break, gap, hiatus, interim, void. See continue/stop/pause.

(ləkōō'nə)
n

A term used in anatomic nomenclature to designate a small hollow cavity or pit.

lacuna [lă‐kew‐nă] (plural ‐unae or ‐unas), any gap or missing element in a text, usually in a manuscript.

Adjective: lacunal or lacunose.

See also ellipsis, hiatus.

pl. lacunae

Literally a gap, applied to a Classical coffer in a ceiling, cornice-soffit, or any flat, level horizontal underside, a coffer under a cupola being a caisson. Lacunae are often elaborately ornamented with egg-and-dart, bead-and-reel, etc., and laquear is used to express the effect of mouldings separating the margins of panels in coffering.

A small cavity or space, for example, one of the many spaces between the lamellae of bone cells, or the space occupied by a cartilage cell.

Pl. lacunae [L.]
1. a small pit or hollow cavity.
2. a defect or gap, as in the field of vision (scotoma).

• absorption l. — a pit or groove in developing bone that is undergoing resorption; frequently found to contain osteoclasts.
• bone l. — a small cavity within the bone matrix, containing an osteocyte, and from which slender canaliculi radiate and penetrate the adjacent lamellae to anastomose with the canaliculi of neighboring lacunae, thus forming a system of cavities interconnected by minute canals.
• cartilage l. — any of the small cavities within the cartilage matrix, containing a chondrocyte.
• Howship's l. — the concave cavities which are formed by osteoclasts in the process of bone resorption.
• osseous l. — bone lacuna (see above).
• osteocytic l. — see bone lacuna (above).
• urethral l. — numerous small depressions or pits in the mucous membrane of the urethra.
• vascular l. — a breach in any membrane or other tissue which is navigated by blood vessels.

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a gap

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Dansk (Danish)
n. - lakune, hul, hulrum

Nederlands (Dutch)
lacune, leemte, hiaat, holte

Français (French)
n. - lacune

Deutsch (German)
n. - Lakune, Lücke

Ελληνική (Greek)
n. - χάσμα, κενό, (ανατ.) βοθρίον

Italiano (Italian)
lacuna

Português (Portuguese)
n. - lacuna (f)

Русский (Russian)
пробел, лакуна

Español (Spanish)
n. - laguna

Svenska (Swedish)
n. - lakun, lucka, tomrum, hålighet

中文（简体） (Chinese (Simplified))
空白, 阙文, 空隙

中文（繁體） (Chinese (Traditional))
n. - 空白, 闕文, 空隙

한국어 (Korean)
n. - 누락 , 공백, 세포간극

日本語 (Japanese)
n. - 脱漏, 脱文, 窩, 骨小腔

العربيه (Arabic)
‏(الاسم) تغرة, فجوة‏

עברית (Hebrew)
n. - ‮חלל, קטע חסר, מקום ריק, מצב אליו החוק לא מתייחס, חלל או שקע בעצם‬

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