from The American Heritage® Dictionary of the English Language, 4th Edition

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. dwarf deciduous lithophytic ferns
  • n. chiefly lithophytic or epiphytic fern of North America and east Asia
  • n. any of several small lithophytic ferns of tropical and warm temperate regions


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