rock brake

Noun rock brake has 3 senses

• rock brake(n = noun.plant) cliff brake, cliff-brake - any of several small lithophytic ferns of tropical and warm temperate regions; Array
is a kind of fern
is a member of genus pellaea, pellaea
has particulars: coffee fern, pellaea andromedifolia, pellaea atropurpurea, purple rock brake, bird's-foot fern, pellaea mucronata, pellaea ornithopus

• rock brake(n = noun.plant) Array - dwarf deciduous lithophytic ferns; Array
is a kind of fern
is a member of cryptogramma, genus cryptogramma
has particulars: american parsley fern, american rock brake, cryptogramma acrostichoides, cryptogramma crispa, european parsley fern, mountain parsley fern

• rock brake(n = noun.plant) american wall fern, polypodium virgianum, rock polypody - chiefly lithophytic or epiphytic fern of North America and east Asia; Array
is a kind of polypody