Read the dictionary definition of dog. All definitions for this word.
1. a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds
1. the dog barked all night
2. metal supports for logs in a fireplace
1. the andirons were too hot to touch
3. a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
4. a smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll
5. someone who is morally reprehensible
1. you dirty dog
6. informal term for a man
1. you lucky dog
7. a dull unattractive unpleasant girl or woman
1. she got a reputation as a frump
2. she's a real dog
8. go after with the intent to catch
1. The policeman chased the mugger down the alley
2. the dog chased the rabbit
See also:
Merriam-Webster definition of dog