Having a ragged, uneven, or irregularly toothed margin; appearing as if eaten or gnawed away.
From Latin 'erosus,' past participle of 'erodere' (to gnaw away). In botany and biology, it describes the irregular, worn appearance of leaf or petal edges.
Botanists use 'erose' to describe leaves that look like something nibbled on them—it's actually a useful way to identify plants because each species has distinct edge patterns.
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