We found 21 dictionaries that define the word oak apple:

General (17 matching dictionaries)

1. oak apple: Merriam-Webster
2. oak apple: Oxford Learner's Dictionaries
3. oak apple: American Heritage Dictionary of the English Language
4. oak apple: Collins English Dictionary
5. oak apple: Vocabulary.com
6. oak apple: Wordnik
7. oak apple: Wiktionary
8. oak apple: The Wordsmyth English Dictionary-Thesaurus
9. Oak apple, oak apple: Dictionary.com
10. Oak apple: Wikipedia, the Free Encyclopedia
11. oak apple: Rhymezone
12. oak-apple: Webster's 1828 Dictionary
13. oak apple: FreeDictionary.org
14. oak apple: Mnemonic Dictionary
15. oak apple: TheFreeDictionary.com

Business (1 matching dictionary)

16. oak apple: Legal dictionary

Computing (1 matching dictionary)

17. oak apple: Encyclopedia

Medicine (2 matching dictionaries)

18. online medical dictionary (No longer online)
19. oak apple: Medical dictionary

(Note: See oak_apples as well.)

Definitions from Wiktionary (oak apple) ▸ noun:  A spherical type of oak gall, produced by an oak gall wasp (tribe Cynipini). Similar: oak gall, cup gall, acorn, oak tree, oakling, oakwood, gall oak, oakleaf, oaktree, applewood, more... Types: gall wasp, gall fly, gall midge, gall mite, gall beetle, more... Phrases: Oak Apple Day, more... Adjectives: harlequin, fucoid, aspic, crescent, dulce, mother-of-pearl, bluey, medusoid, maggot, purple, yellowtail ▸ Words similar to oak apple ▸ Usage examples for oak apple ▸ Idioms related to oak apple ▸ Wikipedia articles (New!) ▸ Words that often appear near oak apple ▸ Rhymes of oak apple ▸ Invented words related to oak apple