What does the word fissure mean?

    Part of speech: verb transitive, verb intransitive

  • To crack; split.

Usage examples for fissure

  1. We must also take into consideration, that one fissure may be simply filled with lava, which may begin to cool from the first; whereas in other cases the fissure may give passage to a current of melted matter, which may ascend for days or months, feeding streams which are overflowing the country above, or being ejected in the shape of scoriae from some crater. – The Student's Elements of Geology by Sir Charles Lyell
  2. There the lancehead- shaped fissure opened on the ravine, whence it was flushed with cool air. – Tropic Days by E. J. Banfield