We found 12 dictionaries that define the word three kings' day:

General (11 matching dictionaries)

1. Three Kings' Day: Merriam-Webster
2. Three Kings' Day: Vocabulary.com
3. three kings' day: Dictionary.com
4. Three Kings Day: Wikipedia, the Free Encyclopedia
5. Three kings' day: Rhymezone
6. three kings day: FreeDictionary.org
7. three kings' day: Mnemonic Dictionary
8. Three Kings' Day: TheFreeDictionary.com
9. Three Kings Day: E Cobham Brewer, The Reader's Handbook
10. Three Kings Day: Dictionary of Phrase and Fable (1898)
11. Three Kings' Day: Wiktionary

Computing (1 matching dictionary)

12. Three Kings' Day: Encyclopedia

Definitions from Wiktionary (Three Kings' Day) ▸ noun:  Synonym of Epiphany (“Christian day of celebration”) ▸ Words similar to three kings' day ▸ Usage examples for three kings' day ▸ Idioms related to three kings' day ▸ Wikipedia articles (New!) ▸ Words that often appear near three kings' day ▸ Rhymes of three kings' day ▸ Invented words related to three kings' day