dog - Dictionary definition and pronunciation - Yahoo! Education
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dog  audio  (dōg, dg) KEY 

NOUN:
  1. A domesticated carnivorous mammal (Canis familiaris) related to the foxes and wolves and raised in a wide variety of breeds.
  2. Any of various carnivorous mammals of the family Canidae, such as the dingo.
  3. A male animal of the family Canidae, especially of the fox or a domesticated breed.
  4. Any of various other animals, such as the prairie dog.
  5. Informal
    1. A person: You won, you lucky dog.
    2. A person regarded as contemptible: You stole my watch, you dog.
  6. Slang
    1. A person regarded as unattractive or uninteresting.
    2. Something of inferior or low quality: "The President had read the speech to some of his friends and they told him it was a dog" (John P. Roche).
    3. An investment that produces a low return or a loss.
  7. dogs Slang The feet.
  8. See andiron.
  9. Slang A hot dog; a wiener.
  10. Any of various hooked or U-shaped metallic devices used for gripping or holding heavy objects.
  11. Astronomy A sun dog.
ADVERB:
Totally; completely. Often used in combination: dog-tired.
TRANSITIVE VERB:
dogged, dog·ging, dogs
  1. To track or trail persistently: "A stranger then is still dogging us" (Arthur Conan Doyle).
  2. To hold or fasten with a mechanical device: "Watertight doors and hatches were dropped into place and dogged down to give the ship full watertight integrity" (Tom Clancy).

IDIOMS:
dog it Slang
To fail to expend the effort needed to do or accomplish something.
go to the dogs
To go to ruin; degenerate.
put on the dog Informal
To make an ostentatious display of elegance, wealth, or culture.
ETYMOLOGY:
Middle English dogge, from Old English docga


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