oak apple

noun

Definition of oak apple

: a large round gall produced on oak leaves and twigs by a gall wasp (especially Amphibolips confluenta)

Examples of oak apple in a Sentence

Recent Examples on the Web It is written on sheepskin parchment, now the color of dust, with ink made from oak apples. Anna Russell, The New Yorker, "The Ghost of Robert the Bruce and the Scottish Independence Movement," 16 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oak apple.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of oak apple

15th century, in the meaning defined above

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The first known use of oak apple was in the 15th century

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Cite this Entry

“Oak apple.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oak%20apple. Accessed 19 Jan. 2021.

More from Merriam-Webster on oak apple

Britannica.com: Encyclopedia article about oak apple

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