1. a deep cleft or fissure, especially in rock or earth
Usage: formal
2. a groove or furrow on the surface of an organ, especially the brain
Usage: medical; anatomy

Examples

• The earthquake created a deep scissure in the mountainside.
• Water seeped through the narrow scissure in the rock face.
• The geologist examined the scissure for signs of mineral deposits.
• The brain’s scissure divides the frontal and parietal lobes.
• A small scissure appeared in the cliff after years of erosion.
• The anatomist pointed out the scissure on the brain specimen.