sniffer

noun sniff·er \ ˈsni-fər \
Updated on: 7 Dec 2017

Definition of sniffer

1 : one that sniffs: such as
a : someone who sniffs a drug or other substance in order to become intoxicated
  • a cocaine/glue sniffer
b 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

  1. Sniffers were brought in to search bags at the airport.

Recent Examples of sniffer from the Web

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

1864


SNIFFER Defined for English Language Learners

sniffer

noun

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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