any of various rounded galls produced on oaks, especially the horned oak gall.
- Also called oak apple.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use oak gall in a sentence
Waterproof inks are sometimes used, and of these the oak-gall ink is undoubtedly the best.Directions for Collecting and Preserving Insects | C. V. Riley
They say she has a face like a cankered oak gall or a rotten apple lying cracked on the ground among the wasps.Grisly Grisell | Charlotte M. Yonge
But one night, coming weary from hunting and cold, he crept into a hollow oak gall to sleep.Hunting with the Bow and Arrow | Saxton Pope
We then saw that the hammering had made it into a firm brown ball nearly as large as an oak gall.Bird-Lore March-April 1916 | Various