Word.ws English Dictionary

oak apple

oak apple noun: a spherical type of oak gall, produced by an oak gall wasp (tribe Cynipini).

Noun

oak apple (plural oak apples)

  1. A spherical type of oak gall, produced by an oak gall wasp (tribe Cynipini).
    • [T]he small Apples which I have often observ'd to grow on the leaves of an Oak call'd Oak-apples […] are nothing but the Matrices of an Insect, as I elsewhere show.1665, Robert Hooke, Micrographia, section XXV

Forms of oak apple

pluraloak apples
alternative formoak-apple

Words formed from oak apple

Questions about oak apple

What does oak apple mean?
Oak apple means a spherical type of oak gall, produced by an oak gall wasp (tribe Cynipini).
What part of speech is oak apple?
Oak apple is a noun.
What is the plural of oak apple?
The plural of oak apple is oak apples.

Words near oak apple in the dictionary

  1. Oahuan
  2. Oahuans
  3. Oail
  4. oak
  5. Oak and Nettle Day
  6. oak apple
  7. Oak Apple Day
  8. oak apples
  9. Oak Bay
  10. Oak Bluffs
  11. Oak Brook

Source and license

Adapted from Wiktionary: oak apple (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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