Pteris
nounDefinition of Pteris
(Entry 1 of 2)
1 : a genus of coarse ferns (family Polypodiaceae) having variously divided or rarely simple fronds with a marginal linear continuous sorus and an indusium composed of the reflexed margin of the frond — see pteridium
2 plural pterises pteris : ribbon fern
-pteris
noun combining formDefinition of -pteris (Entry 2 of 2)
: fern —in generic names GlossopterisOrnithopteris
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