‖Neu‐rop″te‐ris (?), n. [NL., fr. Gr. νευ̑ρον a nerve + � a kind of fern.] (Paleon.) An extensive genus of fossil ferns, of which species have been found from the Devonian to the Triassic formation.
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Webster's Dictionary 1913
Webster's Revised Unabridged Dictionary, C. & G. Merriam Co., 1913.