Adiantum pedatum

from WordNet (r) 3.0 (2006)

Adiantum pedatum
    n 1: hardy palmately branched North American fern with divergent
         recurved branches borne on lustrous dark reddish stipes
         [syn: {American maidenhair fern}, {five-fingered maidenhair
         fern}, {Adiantum pedatum}]

from The Collaborative International Dictionary of English v.0.48

maidenhair \maid"en*hair`\, maidenhair fern \maidenhair fern\,
   n. (Bot.)
   Any of various small to large terrestrial ferns of the genus
   {Adiantum} having very slender graceful stalks and delicate
   palmately branched fronds, especially ({Adiantum pedatum}).
   It is common in the United States, and is sometimes used in
   medicine. The name is also applied to other species of the
   same genus, as to the Venus-hair.
   [1913 Webster]