pteridosperm

[ tuh-rid-uh-spurm, ter-i-doh- ]

noun

1. seed fern.

pteridosperm

/ ˈtɛrɪdəˌspɜːm /

noun

1. any extinct seed-producing fernlike plant of the group Pteridospermae Also calledseed fern

Word History and Origins

Origin of pteridosperm¹

1900–05; < New Latin Pteridospermales the order; pterido-, sperm ¹, -ales

Word History and Origins

Origin of pteridosperm¹

C19: from Greek pteris a fern + -sperm