rock brake

English - English

Definition of rock brake in English English dictionary

dwarf deciduous lithophytic ferns

Any of several ferns of the genus Crytogramma that usually grow in rocky ground and have compound fronds and podlike fertile leaflets

Related Terms

american rock brake

rock-inhabiting fern of northern North America growing in massive tufts and having fronds resembling parsley

purple rock brake

very short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes

Turkish pronunciation

räk breyk

Pronunciation

/ˈräk ˈbrāk/ /ˈrɑːk ˈbreɪk/