from The Century Dictionary and Cyclopedia
- n. A genus of delicate flaccid polypodi-aceous ferns having the sori borne on the back of the leaf on the middle of a vein and covered with a membranaceous indusium attached only by the base; the bladder-ferns.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
Sorry, no etymologies found.