We found 15 dictionaries that define the word Frederick I:

General (12 matching dictionaries)

1. Frederick I: Merriam-Webster
2. Frederick I: Oxford Learner's Dictionaries
3. Frederick I: American Heritage Dictionary of the English Language
4. Frederick I: Collins English Dictionary
5. Frederick I: Vocabulary.com
6. Frederick I: Infoplease Dictionary
7. frederick i: Dictionary.com
8. Frederick I (Barbarossa), Frederick I (HRR), Frederick I (archbishop of Cologne), Frederick I: Wikipedia, the Free Encyclopedia
9. Frederick i: Rhymezone
10. frederick i: FreeDictionary.org
11. frederick i: Mnemonic Dictionary
12. Frederick I: TheFreeDictionary.com

Computing (2 matching dictionaries)

13. Frederick I, Frederick I: Encyclopedia

Religion (1 matching dictionary)

14. Frederick I (Barbarossa): Catholic Encyclopedia

(Note: See frederick_is as well.)

Definitions from Wikipedia (Frederick I) ▸ noun:  (c. 1075 – 5 October 1131) the Archbishop of Cologne from 1100 until his death. Phrases: frederick william i, Frederick Augustus I of Saxony, Frederick I of Prussia, Frederick William I of Prussia, Frederick I of Denmark, more... ▸ Words similar to Frederick I ▸ Usage examples for Frederick I ▸ Idioms related to Frederick I ▸ Wikipedia articles (New!) ▸ Words that often appear near Frederick I ▸ Rhymes of Frederick I ▸ Invented words related to Frederick I