adjective
serrated
suh-RAY-tid/səˈreɪtɪd/
Having an edge with small sharp teeth like a saw.
Small sharp teeth line the serrated knife blade.

Etymology
Latin serratus described something notched like a saw. The same image survives in serrated: an edge with a succession of teeth and notches rather than a smooth outline.
In context
Beach leaves have that football shape they got the hooks the serrated edges on them
More examples
- The leaf had a serrated edge.
- Small teeth lined the serrated blade.
- She compared the smooth and serrated margins of the leaves.
Forms
serrated
serration noun — a toothlike projection or toothed edge