Irregularly edged

• Like some shorelines
• Worn away unevenly
• Like a notched leaf
• Having an irregular edge
• Irregularly: bot
• Appearing gnawed
• Unevenly notched, as leaves
• Gnawed leaf, e.g
• Like jagged edges

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Erose \E*rose"\, a. [L. erosus, p. p. See Erode .] Irregular or uneven as if eaten or worn away. (Bot.) Jagged or irregularly toothed, as if nibbled out or gnawed. -- E*rose"ly , adv.