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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

Police said Friday that the coast guard, police and fire department were involved in the search, with a helicopter, drones and a police sniffer dog deployed.

From Seattle Times Jun. 7, 2024

A police sniffer dog had tracked him to a nearby street where his grandmother lives.

From BBC Aug. 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

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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