We found 6 dictionaries that define the word defence system:

General (6 matching dictionaries)

1. defence system: Vocabulary.com
2. defence system: Dictionary.com
3. defence system: Rhymezone
4. defence system: FreeDictionary.org
5. defence system: Mnemonic Dictionary
6. defence system: TheFreeDictionary.com

(Note: See defence_systems as well.)

Definitions from WordNet (defence system) ▸ noun:  the weaponry available for the defense of a region Phrases: missile defence system, Antelope air defence system, NATO missile defence system, Iceland Air Defence System, self defence system, more... ▸ Words similar to defence system ▸ Usage examples for defence system ▸ Idioms related to defence system ▸ Wikipedia articles (New!) ▸ Words that often appear near defence system ▸ Rhymes of defence system ▸ Invented words related to defence system