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;
the dog barked all night
2.a dull unattractive unpleasant girl or woman;
she got a reputation as a frump
3.informal term for a man;
you lucky dog
4.someone who is morally reprehensible;
you dirty dog
5.a smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll
6.a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
7.metal supports for logs in a fireplace;
the andirons were too hot to touch
1.go after with the intent to catch;
The policeman chased the mugger down the alley