PTERIDOSPERM


Meaning of PTERIDOSPERM in English

[ 'tɛrɪdə(ʊ)spə:m ]

■ noun a fossil plant intermediate between the ferns and seed-bearing plants, dying out in the Triassic period.

Origin

early 20th cent.: from mod. L. ~eae , from Gk pteris , pterid- 'fern'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.