Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pteridosperm

1 sense of pteridosperm

Sense 1
seed fern, pteridosperm -- (an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae))
       => gymnosperm -- (plants of the class Gymnospermae having seeds not enclosed in an ovary)