dog dog /ˈdɔg/

noun

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  ( Canis familiaris , domestic dog , dawg [Non-standard] , dog )
   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
   the dog barked all night
   
   
2. Metal supports for logs in a fireplace  ( andiron , dog , dog-iron , firedog )
   metal supports for logs in a fireplace
    The andirons were too hot to touch
   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  ( click , detent , dog , pawl )
   a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
   
4. [Informal] A smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll  ( dog [Informal] , frank , frankfurter , hot dog , hotdog , weenie [Informal, N. American] , wiener [ N. American, South Africa] , wienerwurst [ N. American] , wienie [Informal, N. American] )
   a smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll
    The hot dog came with ketchup, mustard, and relish
   The hot dog came with ketchup, mustard, and relish
   
   
5. [Informal] Someone who is morally reprehensible  ( blackguard , bounder [Archaic, British] , cad [Archaic] , dog [Informal] , heel [Informal] , hound )
   someone who is morally reprehensible
    You dirty dog
   you dirty dog
   
6. Informal term for a man  ( dog )
   informal term for a man
    You lucky dog
   you lucky dog
   
7. [Informal] A dull unattractive unpleasant girl or woman  ( dog [Informal] , frump )
   a dull unattractive unpleasant girl or woman
    She got a reputation as a frump
   she got a reputation as a frump
    She's a real dog
   she's a real dog
   

verb

1. () Go after with the intent to catch  ( chase after , give chase , tag , chase , dog , go after , tail , track , trail )
   go after with the intent to catch
    The policeman chased the mugger down the alley
   The policeman chased the mugger down the alley
    The dog chased the rabbit
   the dog chased the rabbit