\ ˈterə̇s, ˈtir- \

Definition 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 pteris plural pterises : ribbon fern
-p·​ter·​is | \ pt(ə)rə̇s \

Definition of -pteris (Entry 2 of 2)

: fern in generic namesGlossopterisOrnithopteris

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History and Etymology for Pteris


New Latin, from Greek pterid-, pteris fern; akin to Greek pteron feather, wing

Noun combining form

New Latin, from Greek, from pteris

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Cite this Entry

“Pteris.” Dictionary, Merriam-Webster, Accessed 28 Jan. 2021.

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