Search Result for "pteridosperm": 
Wordnet 3.0

NOUN (1)

1. an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae);
[syn: seed fern, pteridosperm]



WordNet (r) 3.0 (2006):

pteridosperm
    n 1: an extinct seed-producing fernlike plant of the order
         Cycadofilicales (or group Pteridospermae) [syn: seed
         fern, pteridosperm]