We found 6 dictionaries that define the word guard dogs:

General (4 matching dictionaries)

1. guard dogs: Collins English Dictionary
2. guard dogs: Vocabulary.com
3. guard dogs: Cambridge Advanced Learner's Dictionary
4. guard-dogs, guard dogs: Wiktionary

Medicine (1 matching dictionary)

5. Guard dogs: Medical dictionary

Slang (1 matching dictionary)

6. Guard Dogs: Urban Dictionary

(Note: See guard_dog as well.)

Definitions from Wiktionary (guard dog) ▸ noun:  A dog used to protect a property or its owner. ▸ Also see guard_dog Opposite: intruder, thief, burglar Phrases: greetings from guard dogs, more... ▸ Words similar to guard dogs ▸ Usage examples for guard dogs ▸ Idioms related to guard dogs ▸ Wikipedia articles (New!) ▸ Words that often appear near guard dogs ▸ Rhymes of guard dogs ▸ Invented words related to guard dogs