We found 9 dictionaries that define the word amphibious operation:

General (7 matching dictionaries)

1. amphibious operation: Vocabulary.com
2. amphibious operation: Dictionary.com
3. Amphibious operation: Wikipedia, the Free Encyclopedia
4. amphibious operation: Rhymezone
5. amphibious operation: FreeDictionary.org
6. amphibious operation: Mnemonic Dictionary
7. amphibious operation: TheFreeDictionary.com

Computing (1 matching dictionary)

8. amphibious operation: Encyclopedia

Tech (1 matching dictionary)

9. DOD Dictionary of Military Terms (No longer online)

(Note: See amphibious_operations as well.)

Definitions from WordNet (amphibious operation) ▸ noun:  a military operation by both land and sea forces Opposite: land operation, ground operation ▸ Words similar to amphibious operation ▸ Usage examples for amphibious operation ▸ Idioms related to amphibious operation ▸ Wikipedia articles (New!) ▸ Words that often appear near amphibious operation ▸ Rhymes of amphibious operation ▸ Invented words related to amphibious operation