seed fern

/sid fərn/
IPA guide

Definitions of seed fern
  1. noun
    an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
    synonyms: pteridosperm
    see moresee less
    type of:
    gymnosperm
    plants of the class Gymnospermae having seeds not enclosed in an ovary
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