Shaped like an oak leaf

• Unevenly notched, as leaves
• Like a saw's edge
• Having an irregularly gnawed edge
• Uneven, as a leaf edge
• With a jagged edge
• Shaped like many a leaf
• Corroded
• Jagged (as a leaf)

Wiktionary Word definitions in Wiktionary
a. Irregularly notched, eaten away, as though bitten

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
of a leaf, an insect wing, etc., "with indented edges that appear as if gnawed," 1793, from Latin erosus , past participle of erodere "gnaw away" (see erode ).