We found 8 dictionaries that define the word fourth deck:

General (7 matching dictionaries)

1. fourth deck: Merriam-Webster
2. fourth deck: Vocabulary.com
3. fourth deck: Dictionary.com
4. fourth deck: Rhymezone
5. fourth deck: FreeDictionary.org
6. fourth deck: Mnemonic Dictionary
7. fourth deck: TheFreeDictionary.com

Computing (1 matching dictionary)

8. fourth deck: Encyclopedia

(Note: See fourth_decks as well.)

Definitions from WordNet (fourth deck) ▸ noun:  the fourth or lowest deck ▸ Words similar to fourth deck ▸ Usage examples for fourth deck ▸ Idioms related to fourth deck ▸ Wikipedia articles (New!) ▸ Words that often appear near fourth deck ▸ Rhymes of fourth deck ▸ Invented words related to fourth deck