English noun: rock brake |
1. | rock brake (plant) any of several small lithophytic ferns of tropical and warm temperate regions |
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| Synonyms | cliff brake, cliff-brake |
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| Broader (hypernym) | fern |
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| Narrower (hyponym) | bird's-foot fern, coffee fern, Pellaea andromedifolia, Pellaea atropurpurea, Pellaea mucronata, Pellaea ornithopus, purple rock brake |
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| Member meronym | genus Pellaea, Pellaea |
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2. | rock brake (plant) dwarf deciduous lithophytic ferns |
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| Broader (hypernym) | fern |
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| Narrower (hyponym) | American parsley fern, American rock brake, Cryptogramma acrostichoides, Cryptogramma crispa, European parsley fern, mountain parsley fern |
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| Member meronym | Cryptogramma, genus Cryptogramma |
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3. | rock brake (plant) chiefly lithophytic or epiphytic fern of North America and east Asia |
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| Synonyms | American wall fern, Polypodium virgianum, rock polypody |
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| Broader (hypernym) | polypody |
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