plural noun Cy·ca·do·filicales \¦sīkə(ˌ)dō, ¦sik-+\

Definition of Cycadofilicales

  1. :  an order of fossil gymnospermous trees or climbing plants first known from the Devonian that had foliage like that of ferns, definite seeds borne on modified leaves rather than in strobili or cones, and secondary wood like the higher gymnosperms but primary wood resembling that of ferns — see seed fern

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Origin and Etymology of cycadofilicales

New Latin, from cycado- (from Cycadales) + Filicales

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a rounded knoll or a ridge of ice

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