Lacuna

• POS: Noun
• HYPHEN: la=cu=na

CIDE DICTIONARY

Lacuna, n. [L., ditch, pit, lake, orig., anything hollow. See Lagoon.].

•  A small opening; a small pit or depression; a small blank space; a gap or vacancy; a hiatus.  [1913 Webster]
•  A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.  [1913 Webster]

OXFORD DICTIONARY

Lacuna, n. (pl. lacunae or lacunas)
1 a hiatus, blank, or gap.
2 a missing portion or empty page, esp. in an ancient MS, book, etc.
3 Anat. a cavity or depression, esp. in bone.

Derivative

lacunal adj. lacunar adj. lacunary adj. lacunose adj.

Etymology

L, = pool, f. lacus LAKE(1)

THESAURUS

Lacuna

alveolation, alveolus, antrum, aperture, armpit, arrearage, basin, bowl, breach, break, broaching, caesura, cavity, cessation, chasm, check, clearance, clearing, cleft, concave, concavity, crack, crater, crypt, cup, defalcation, defect, deficiency, deficit, depression, dip, disclosure, discontinuity, distance between, double space, em space, en space, fenestra, fissure, fistula, fold, follicle, fontanel, foramen, freeboard, funnel chest, gap, gape, gat, gulf, hair space, half space, hiatus, hole, hollow, hollow shell, inlet, interim, intermediate space, intermission, interruption, interspace, interstice, interval, jump, lack, laying open, leak, leap, leeway, letup, lull, margin, missing link, need, omission, opening, opening up, orifice, outage, outlet, passageway, pause, pit, pocket, pore, punch bowl, room, scoop, shell, shortage, single space, sink, sinus, slot, socket, space, space between, split, stoma, suspension, throwing open, time interval, trough, ullage, uncorking, unstopping, vug, want, wantage, yawn

ROGET THESAURUS

Lacuna

Incompleteness

N incompleteness, deficiency, short measure, shortcoming, insufficiency, imperfection, immaturity, half measures, defect, deficit, defalcation, omission, caret, shortage, interval, break, noncompletion, missing link, missing piece, missing part, gap, hole, lacuna, incomplete, imperfect, unfinished, uncompleted &c (complete), defective, deficient, wanting, lacking, failing, in default, in arrear, short of, hollow, meager, lame, halfand-half, perfunctory, sketchy, crude, mutilated, garbled, docked, lopped, truncated, in progress, in hand, going on, proceeding, incompletely, by halves, caetera desunt, caret.

Interval

N interval, interspace, separation, break, gap, opening, hole, chasm, hiatus, caesura, interruption, interregnum, interstice, lacuna, cleft, mesh, crevice, chink, rime, creek, cranny, crack, chap, slit, fissure, scissure, rift, flaw, breach, rent, gash, cut, leak, dike, ha-ha, gorge, defile, ravine, canon, crevasse, abyss, abysm, gulf, inlet, frith, strait, gully, pass, furrow, abra, barranca, barranco, clove, gulch, notch, yawning gulf, hiatus maxime, hiatus valde deflendus, parenthesis, void, incompleteness, period, interim (time), with an interval, far between, breachy, rimose, rimulose, at intervals, longo intervallo.

Concavity

N concavity, depression, dip, hollow, hollowness, indentation, intaglio, cavity, dent, dint, dimple, follicle, pit, sinus, alveolus, lacuna, excavation, strip mine, trough, honeycomb, cup, basin, crater, punch bowl, cell, socket, valley, vale, dale, dell, dingle, combe, bottom, slade, strath, glade, grove, glen, cave, cavern, cove, grot, grotto, alcove, cul-de- sac, gully, arch, bay, excavator, sapper, miner, honeycomb (sponge), depressed, alveolate, calathiform, cup-shaped, dishing, favaginous, faveolate, favose, scyphiform, scyphose, concave, hollow, stove in, retiring, retreating, cavernous, porous, infundibul, infundibular, infundibuliform, funnel shaped, bell shaped, campaniform, capsular, vaulted, arched.