fissure: Meaning and Definition of

fis•sure

Pronunciation: (fish'ur), [key]
— n., v., -sured, -sur•ing.
—n.
  1. a narrow opening produced by cleavage or separation of parts.
  2. cleavage (def. 1).
  3. a natural division or groove in an organ, as in the brain.
—v.t.
  1. to make fissures in; cleave; split.
—v.i.
  1. to open in fissures; become split.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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