ALL meanings of seed fern
seed fern
S s - noun seed fern any of various plants of the order Lyginopteridales (or Cycadofilicales), known only as fossils, having fernlike leaves and reproducing by means of seeds. 1
- noun seed fern any of an extinct class (Pteridospermae) of Paleozoic, fernlike cycads that bore naked seeds upon their leaves 0