Definition of sniffer
1 : one that sniffs: such asa : someone who sniffs a drug or other substance in order to become intoxicated a cocaine/glue snifferb or less commonly sniffer dog : a dog that is trained to recognize and follow scents especially for the purpose of locating people or contraband (such as illicit drugs and explosives)
2 informal : nose Use your sniffer to detect unattractive or unhealthy odors. — Susan DeBow
Examples of sniffer in a Sentence
Sniffers were brought in to search bags at the airport.
Recent Examples of sniffer from the Web
Police on horseback moved through the throng, as did officers with sniffer dogs.
The incident follows a similar event over the East China Sea last week when two Chinese fighter jets intercepted a U.S. sniffer plane.
Surveillance networks, cocaine-sniffers, remote-medicine, and taser shotguns — DANGER ROOM pal Erik Sofge has a fascinating look at the latest prison tech, in Popular Mechanics.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sniffer'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of sniffer
SNIFFER Defined for English Language Learners
Definition of sniffer for English Language Learners
: someone who sniffs a drug or other substance in order to become intoxicated
: a dog that is trained to find people, illegal drugs, explosives, etc., by recognizing and following scents
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