We found 15 dictionaries that define the word Constantine I:

General (14 matching dictionaries)

1. Constantine I: Merriam-Webster
2. Constantine I, Constantine I: American Heritage Dictionary of the English Language
3. Constantine I: Collins English Dictionary
4. Constantine I: Vocabulary.com
5. Constantine I: The Wordsmyth English Dictionary-Thesaurus
6. Constantine I: Infoplease Dictionary
7. constantine i: Dictionary.com
8. Constantine I (disambiguation), Constantine I (emperor), Constantine I: Wikipedia, the Free Encyclopedia
9. Constantine i: Rhymezone
10. constantine i: FreeDictionary.org
11. constantine i: Mnemonic Dictionary
12. Constantine I: TheFreeDictionary.com
13. Constantine I, Constantine I: Who2

Computing (1 matching dictionary)

14. Constantine I (emperor), Constantine I: Encyclopedia

(Note: See constantine_is as well.)

Definitions from Wikipedia (Constantine I) ▸ noun:  Constantine I, popularly known as Constantine the Great, was a Roman Emperor. Opposite: Constantine II, Constantius II, Constantine III Phrases: Constantine I of Greece, Helena, mother of Constantine I, more... ▸ Words similar to Constantine I ▸ Usage examples for Constantine I ▸ Idioms related to Constantine I ▸ Wikipedia articles (New!) ▸ Words that often appear near Constantine I ▸ Rhymes of Constantine I ▸ Invented words related to Constantine I