noun: 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
Example: "The dog barked all night"
noun: informal term for a man
Example: "You lucky dog"
noun: a dull unattractive unpleasant girl or woman
Example: "She's a real dog"
noun: metal supports for logs in a fireplace
noun: a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
noun: someone who is morally reprehensible
Example: "You dirty dog"
noun: a smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll