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Definition of: fern
Our photo definition of fern 
(fûrn) noun
Any of a widely distributed class (Filicineae) of flowerless, seedless pteridophytic plants, having roots and stems and feathery leaves (fronds) which carry the reproductive spores in clusters of sporangia called sori: related to the horsetails and club-mosses. See SORUS. [OE fearn]
—fern′·like′ adjective
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