Adiantum Adiantum /əˈdaɪæntəm/

noun

1. Cosmopolitan genus of ferns: maidenhair ferns; in some classification systems placed in family Polypodiaceae or Adiantaceae  ( Adiantum , genus Adiantum )
   cosmopolitan genus of ferns: maidenhair ferns; in some classification systems placed in family Polypodiaceae or Adiantaceae