'Polypodium' definitions:

Definition of 'Polypodium'

(from WordNet)
noun
A genus of ferns belonging to the family Polypodiaceae and having rounded naked sori [syn: Polypodium, genus Polypodium]

Definition of 'Polypodium'

From: GCIDE
  • Polypodium \Pol"y*po`di*um\, n. [L., fr. Gr. ?, dim. of ?. See Polyp, and cf. 2d Polypode.] (Bot.) A genus of plants of the order Filices or ferns. The fructifications are in uncovered roundish points, called sori, scattered over the inferior surface of the frond or leaf. There are numerous species. [1913 Webster]