1. (n.) The act of incising, or cutting into a substance.

2. (n.) That which is produced by incising; the separation of the parts of any substance made by a cutting or pointed instrument; a cut; a gash.

3. (n.) Separation or solution of viscid matter by medicines.

abrasion abysm abyss arroyo bezel blaze blemish box canyon breach break burn burr canyon cavity chafe chamfer chap chase chasm check chimney chink chip chiseling cleft cleuch clough col concussion corrugation coulee couloir crack crackle cranny craze crena crevasse crevice cross-hatching cut cwm dado defile dell demitint depression dike ditch donga draw engravement engraving etch etching excavation fault fissure flash burn flaw flume flute fluting fracture fray frazzle furrow gall gap gape gash gem-engraving glass-cutting glyptic gorge gouge graving groove gulch gulf gully hack half tint hatching hole hurt indentation injury inscript inscription jag jog joggle joint kerf kloof laceration leak lesion line lining marking microgroove moat mortal wound mutilation nick nock notch nullah opening pass passage puncture rabbet ravine rent rifling rift rime rip ruck run rupture rut scald scissure scorch score scoring scotch scrape scratch scratching scuff seam second-degree burn slash slashing slit slot sore split stab stab wound stipple stippling streak stria striation sulcation sulcus tear third-degree burn tint tooling trauma trench type-cutting valley void wadi well-worn groove wound wounds immedicable wrench wrinkle