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Meaning of FISSURE

Pronunciation:  'fishur

WordNet Dictionary
  1. [n]  (anatomy) a long narrow slit or groove that divides an organ into lobes
  2. [n]  a long narrow opening
  3. [n]  a long narrow depression in a surface
  4. [v]  break into fissures or fine cracks

FISSURE is a 7 letter word that starts with F.


 Synonyms: chap, cleft, crack, crack, cranny, crevice, crevice, scissure
 See Also: break, chap, chink, crack, crater, crevasse, depression, fatigue crack, fault, fracture, gap, geological fault, groove, hilum, hilus, impression, imprint, opening, rift, shift, slit, split, sulcus, vallecula, vent, volcanic crater, volcano



Webster's 1913 Dictionary
  1. \Fis"sure\, n. [L. fissura, fr. findere, fissum, to
    cleave, split; akin to E. bite: cf. F. fissure.]
    A narrow opening, made by the parting of any substance; a
    cleft; as, the fissure of a rock.
    {Cerebral fissures} (Anat.), the furrows or clefts by which
       the surface of the cerebrum is divided; esp., the furrows
       first formed by the infolding of the whole wall of the
    {Fissure needle} (Surg.), a spiral needle for catching
       together the gaping lips of wounds. --Knight.
    {Fissure of rolando} (Anat.), the furrow separating the
       frontal from the parietal lobe in the cerebrum.
    {Fissure of Sylvius} (Anat.), a deep cerebral fissure
       separating the frontal from the temporal lobe. See Illust.
       under {Brain}.
    {Fissure vein} (Mining), a crack in the earth's surface
       filled with mineral matter. --Raymond.
  2. \Fis"sure\, v. t.
    To cleave; to divide; to crack or fracture.
Medical Dictionary
 Definition: A deep crack.
Biology Dictionary
 Definition: A fissure is a natural division or a cleft in an organ.
Thesaurus Terms
 Related Terms: abysm, abyss, amputate, arachnoid, arbor vitae, archipallium, arroyo, ax, between brain, bisect, box canyon, brain stem, breach, break, break open, break up, breakage, broach, burst, bust, butcher, caesura, canyon, carve, cavity, cerebellar hemispheres, cerebellum, cerebral cortex, cerebrospinal fluid, cerebrum, cessation, chap, chasm, check, chimney, chink, chip, chop, cleave, cleft, cleuch, clough, col, come apart, come unstuck, convolution, corpus callosum, corpus striatum, coulee, couloir, crack, cranny, crevasse, crevice, cut, cut away, cut in two, cut off, cut open, cwm, defile, dell, dichotomize, diencephalon, dike, disintegrate, dispart, dissever, ditch, divaricate, divide, donga, draw, dura mater, endbrain, excavation, excise, exfoliate, fall to pieces, fault, flaw, flume, fly open, folia, forebrain, fornix, fracture, frontal lobe, furrow, gap, gape, gash, give away, give way, glial cells, globus pallidus, gorge, gray matter, groove, gulch, gulf, gully, gyrus, hack, halve, hew, hiatus, hindbrain, hippocampus, hole, hypothalamus, incise, incision, interim, intermission, interruption, interval, jigsaw, joint, kloof, lacuna, lance, lay open, leak, lenticular nucleus, letup, limbic lobe, little brain, lobe, lull, mantle, medulla oblongata, meninges, mesencephalon, metencephalon, midbrain, moat, myelencephalon, neopallium, notch, nullah, occipital lobe, ope, open, open up, opening, optic chiasm, pallium, pare, parietal lobe, part, pass, passage, pause, pia mater, pineal body, pituitary body, pons, prune, ravine, rend, rent, reticular system, rhombencephalon, rift, rime, rip, rive, rupture, saw, scale, schism, scissor, scissure, seam, separate, sever, slash, slice, slit, slot, snap, snip, splinter, split, spread, spread out, spring a leak, spring open, start, subthalamus, sunder, suspension, swing open, tap, tear, tear open, telencephalon, temporal lobe, thalamus, throw open, trench, valley, ventricle, vermis, void, wadi, white matter, whittle