Definition of "dog" []

• A domesticated carnivorous mammal (Canis familiaris) related to the foxes and wolves and raised in a wide variety of breeds. (noun)
• Any of various carnivorous mammals of the family Canidae, such as the dingo. (noun)
• A male animal of the family Canidae, especially of the fox or a domesticated breed. (noun)
• Any of various other animals, such as the prairie dog. (noun)
• Informal A person: You won, you lucky dog. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "To illustrate, consider a sentence like ˜A dog barked™, and suppose that ˜dog™ denotes the set X,"
• "For example, in ˜Every dog is a mammal™, both ˜dog™ and ˜mammal™ have personal supposition."
• "We had a dog, true it was a different one, a ferocious dog…"