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Meaning of dog collar

dog' col"lar

Pronunciation: [key]
  1. a collar used to restrain or identify a dog.
  2. a close-fitting necklace, as a wide band covered with or composed of precious or semiprecious stones; choker.
  3. a collar of the type worn by some clergymen, priests, etc., having the opening at the back; clerical collar.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.