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rock brake
noun
- any of various ferns of the genera Pellaea and Cryptogramma , which grow on rocky ground and have sori at the ends of the veins
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Example Sentences
On the same cliff were tufts of the alpine woodsia and dense patches of rock-brake—but these stand in no need of the bee.
From Project Gutenberg
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[gal-uh-maw-free ]
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