Dictionary > English Dictionary > Definition, synonym and antonym of fissure
Meaning of fissure by Wiktionary Dictionary



    • IPA: /ˈfɪ.ʃɚ/


    fissure ( plural: fissures )

    1. a crack or opening, as in a rock


Explanation of fissure by Wordnet Dictionary


    1. break into fissures or fine cracks

    1. a long narrow slit or groove that divides an organ into lobes

    2. a long narrow opening

    3. a long narrow depression in a surface

    Definition of fissure by GCIDE Dictionary


    1. Fissure 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 cerebrum. -- 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. Fissure v. t. To cleave; to divide; to crack or fracture.