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dog tag

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noun
a small disk or strip attached to a dog's harness or collar stating owner, home, etc.
Informal.
  1. any tag for a suitcase, camera, or other personal possession with the owner's name or address.
  2. a tag or card with a person's name or affiliation, worn at conventions, large meetings, etc.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
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Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of dog tag

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use dog tag in a sentence

British Dictionary definitions for dog tag

dog tag

noun
US slang a military personal-identification disc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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