Fissure \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
- A long narrow depression in a surface [syn: crevice, cranny,
- A long narrow opening [syn: crack, cleft, crevice,
- (anatomy) a long narrow slit or groove that divides an organ
into lobes; 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
- (Mining), a crack in the earth's surface filled with mineral
Fissure \fis"sure\, v. t
To cleave; to divide; to crack or
fracture. To break into fissures or fine cracks.