'Scissure' definitions:

Definition of 'scissure'

From: WordNet
noun
A long narrow opening [syn: crack, cleft, crevice, fissure, scissure]

Definition of 'Scissure'

From: GCIDE
  • 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. [1913 Webster]