seed fern, n.
an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
<noun.plant>
pteridosperm seed fern
semantic pointers
hypernym
Word
an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
<noun.plant>
pteridosperm seed fern