Source : Webster's Revised Unabridged Dictionary (1913)

Scissure \Scis"sure\, n. [L. scissura, from scindere, scissum,
   to cut, split.]
   A longitudinal opening in a body, made by cutting; a cleft; a
   fissure. --Hammond.

Source : WordNet®

scissure
     n : a long narrow opening [syn: {crack}, {cleft}, {crevice}, {fissure}]