oak apple en · NOUN
Meanings
-
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
| Spelling | Features | Labels | Source |
|---|---|---|---|
| oak apples | Number=Plur | lexicographic | |
| oak-apple | alternative | lexicographic |