We found 13 dictionaries that define the word letters of marque:

General (12 matching dictionaries)

1. letters of marque: Merriam-Webster
2. letters of marque: American Heritage Dictionary of the English Language
3. letters of marque: Collins English Dictionary
4. letters of marque: Vocabulary.com
5. letters of marque: Wordnik
6. letters of marque: Wiktionary
7. Letters of marque, letters of marque: Dictionary.com
8. Letters of Marque, Letters of marque: Wikipedia, the Free Encyclopedia
9. letters of marque: Rhymezone
10. letters of marque: FreeDictionary.org
11. letters of marque: Mnemonic Dictionary
12. letters of marque: TheFreeDictionary.com

Tech (1 matching dictionary)

13. SeaTalk Dictionary of English Nautical Language (No longer online)

(Note: See letters_of_marques as well.)

Definitions from WordNet (letters of marque) ▸ noun:  a license to a private citizen to seize property of another nation Opposite: reprisal, retaliation, counterattack, vengeance Phrases: letters of marque and reprisal, more... ▸ Words similar to letters of marque ▸ Usage examples for letters of marque ▸ Idioms related to letters of marque ▸ Wikipedia articles (New!) ▸ Words that often appear near letters of marque ▸ Rhymes of letters of marque ▸ Invented words related to letters of marque