from The Century Dictionary.

  • noun A small genus of boreal polypodiaceous ferns, the rock-brakes, distinguished from Pellæa mainly by their dimorphic fronds.

from the GNU version of the Collaborative International Dictionary of English.

  • noun a genus sometimes placed in the family Polypodiaceae or Cryptogrammataceae.

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

  • noun sometimes placed in family Polypodiaceae or Cryptogrammataceae


Sorry, no etymologies found.



Log in or sign up to get involved in the conversation. It's quick and easy.