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sniffer dog

American  
[snif-er dawg, dog] / ˈsnɪf ər ˌdɔg, ˌdɒg /
Sometimes sniff dog

noun

  1. a dog trained to find illegal drugs or explosives by smell.


sniffer dog British  

noun

  1. a police dog trained to detect drugs or explosives by smell

"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

Etymology

Origin of sniffer dog

First recorded in 1960–65

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.

See Examples For:

Trudeau’s government hired a film crew to capture two Black Hawk helicopters and a sniffer dog on patrol.

From The Wall Street Journal Jul. 8, 2026

A sniffer dog detected bedbugs in a baseboard and between floorboards.

From Seattle Times Oct. 4, 2023

Military officials said the dog was the mother of Wilson, the sniffer dog who became a national hero after helping find the children.

From Washington Times Jun. 27, 2023

For example explosives sniffer dog teams from West Yorkshire and Lancashire have been patrolling the Mall this week.

From BBC Sep. 14, 2022

Police said they were mourning two officers and a sniffer dog killed in the floods, among the worst to affect the east coast province in recorded history.

From Reuters Apr. 18, 2022

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