dog tag
Americannoun
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a small disk or strip attached to a dog's harness or collar stating owner, home, etc.
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Informal.
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any tag for a suitcase, camera, or other personal possession with the owner's name or address.
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a tag or card with a person's name or affiliation, worn at conventions, large meetings, etc.
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noun
Etymology
Origin of dog tag
First recorded in 1915–20
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
We’re going to take stuff down that is clearly fraud, we’re going to tag everything, and if there are any kind of streaming anomalies or other signals that it’s fraud, it’s coming down.
From Los Angeles Times • Jun. 16, 2026
Writing in the journal Aging Cell, the researchers describe a technique that uses molecules called "aptamers" to tag senescent cells.
From Science Daily • May 15, 2026
The post, which appeared to tag several accounts known for providing Fantasy Premier League advice, has been deleted, along with the entire account on which it appeared.
From BBC • Apr. 22, 2026
Vonn, the 41-year-old alpine skiing star competing on one rebuilt knee and another with a torn ligament, appeared to tag the fourth gate hard with her right shoulder as she carved through a corner.
From The Wall Street Journal • Feb. 8, 2026
And I don’t know why Casey Palmer had to tag along with us, either.
From "Winger" by Andrew Smith
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
