rock brake
1 definition found
rock brake - WordNet (r) 2.1 (2005) :
rock brake
n 1: any of several small lithophytic ferns of tropical and warm
temperate regions [syn: cliff brake, cliff-brake, rock brake
]
2: dwarf deciduous lithophytic ferns
3: chiefly lithophytic or epiphytic fern of North America and
east Asia [syn: rock polypody, rock brake, American wall fern
, Polypodium virgianum]
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