Definition of Fisure
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 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.
Fis"sure (?), v. t. To cleave; to
divide; to crack or fracture.
- Webster's Unabridged Dictionary (1913)
- a crack or opening, as in a rock
French
- fissure
- first-, third-person singular indicative present of fissurer
- first-, third-person singular subjunctive present of fissurer
- second-person singular imperative of fissurer
- The Nuttall Encyclopedia
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