A1
an animal with fur, four legs and a tail, especially kept by people as a pet or to hunt or guard buildings
Dictionary examples:
The dog ate my homework. Really! (0.0)
My dog's fur is very funny. (0.0)
The dog ate my phone. Oops! (0.0)
dog food (3.5)
my pet dog (7.0)
wild dogs (13.2)
We could hear dogs barking in the distance. (38.0)