pteridosperm

[ tuh-rid-uh-spurm, ter-i-doh- ]
/ təˈrɪd əˌspɜrm, ˈtɛr ɪ doʊ- /

noun

seed fern.

Origin of pteridosperm

1900–05; < New Latin Pteridospermales the order; see pterido-, sperm1, -ales

Words nearby pteridosperm

pteranodon, pteridine, pterido-, pteridology, pteridophyte, pteridosperm, pterion, ptero-, pterocarpous, pterodactyl, pteroma

British Dictionary definitions for pteridosperm

pteridosperm
/ (ˈtɛrɪdəˌspɜːm) /

noun

any extinct seed-producing fernlike plant of the group Pteridospermae Also called: seed fern

Word Origin for pteridosperm

C19: from Greek pteris a fern + -sperm