seed fern is a noun meaning "an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)". It carries one recorded sense.
an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
Definitions, synonyms and semantic relations for seed fern come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.