Phrase guide

oak fern

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A fern of genus Gymnocarpium (syn. Thelypteris) which grows on trees, especially Gymnocarpium dryopteris.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A bat's wing fern (Histiopteris incisa)

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Synonym of common polypody (Polypodium vulgare), a fern formerly thought to have medicinal properties when found growing on an oak.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: common polypody

Antonyms: none provided

4

noun

Meaning 4

bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Gymnocarpium dryopteris, Thelypteris dryopteris

Antonyms: none provided

Broader terms: fern

History

Etymology

No etymology was provided for this word.

Across languages

Translations

4 source translations are retained for this English entry.

  • Icelandic: þrílaufungur — Gymnocarpium dryopteris
  • Welsh: rhedyn tridarn — Gymnocarpium dryopteris
  • Welsh: rhedyn cyffredin — Polypodium vulgare
  • Welsh: rhedyn y derw — Polypodium vulgare