noun As·ple·ni·um \-əm\

Definition of Asplenium

  1. :  a widely distributed genus of ferns (family Polypodiaceae) having linear or oblong sori borne obliquely on the upper side of a veinlet and comprising the spleenworts — see ebony spleenwort, wall rue

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Origin and Etymology of asplenium

New Latin, alteration of Latin asplenum spleenwort, from Greek asplēnon, irregular from splēn spleen — more at spleen

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a rounded knoll or a ridge of ice

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