oak apple

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Wikipedia has an article on:
Wikipedia

Alternative forms[edit]

Noun[edit]

oak apple (plural oak apples)

  1. A spherical type of oak gall. [from 15th c.]
    • 1665, Robert Hooke, Micrographia, XXV:
      [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.

Derived terms[edit]

Translations[edit]