rock brake

rock brake
noun
1. chiefly lithophytic or epiphytic fern of North America and east Asia
• Hypernyms: ↑polypody
2. any of several small lithophytic ferns of tropical and warm temperate regions
• Syn: ↑cliff brake, ↑cliff-brake
• Hypernyms: ↑fern
• Hyponyms:
• Member Holonyms: ↑Pellaea, ↑genus Pellaea
3. dwarf deciduous lithophytic ferns
• Hypernyms: ↑fern
• Member Holonyms: ↑Cryptogramma, ↑genus Cryptogramma

* * *

noun
: any of several ferns that grow chiefly on or among rocks: as
b. : a fern of the genus Cryptogamma

* * *

rock brake noun
Parsley fern
• • •
Main Entry: ↑rock

* * *

rock brake,
any one of a group of low ferns of cool areas of the Northern Hemisphere.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • rock brake — n. any of a genus (Cryptogramma, family Polypodiaceae) of ferns that grow in rocky ground * * * …   Universalium

  • rock brake — n. any of a genus (Cryptogramma, family Polypodiaceae) of ferns that grow in rocky ground …   English World dictionary

  • rock brake — noun Date: circa 1850 any of several ferns that grow chiefly on or among rocks …   New Collegiate Dictionary

  • purple rock brake — noun very short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes • Syn: ↑Pellaea atropurpurea • Hypernyms: ↑cliff brake, ↑cliff brake, ↑rock brake …   Useful english dictionary

  • American rock brake — noun rock inhabiting fern of northern North America growing in massive tufts and having fronds resembling parsley • Syn: ↑American parsley fern, ↑Cryptogramma acrostichoides • Hypernyms: ↑rock brake • Member Holonyms: ↑Cryptogramma, ↑ …   Useful english dictionary

  • rock polypody — noun chiefly lithophytic or epiphytic fern of North America and east Asia • Syn: ↑rock brake, ↑American wall fern, ↑Polypodium virgianum • Hypernyms: ↑polypody …   Useful english dictionary

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  • cliff brake — noun any of several small lithophytic ferns of tropical and warm temperate regions • Syn: ↑cliff brake, ↑rock brake • Hypernyms: ↑fern • Hyponyms: ↑coffee fern, ↑Pellaea andromedifolia, ↑ …   Useful english dictionary

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