noun
laceration
las-uh-RAY-shun/ˌlæsəˈreɪʃn/
A wound caused by cutting or tearing flesh.
The forearm's laceration has irregular torn edges and a little blood.

Etymology
From the verb meaning “tear to pieces,” laceration first named the act of tearing, then the wound left by that action.
In context
he sutured the laceration with six stitches butterfly closure on the ends
More examples
- Broken glass leaves several lacerations on her hand.
- The deep laceration above his eyebrow requires stitches.
- Keep the laceration clean and covered while it heals.
Forms
laceration · lacerations
lacerate verb — To cut or tear the flesh.