sniffer

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Definitions from WordNet

Noun sniffer has 1 sense

sniffer - a person who sniffs
--₁ is a kind of person, individual, someone, somebody, mortal, human, soul

Derived forms: verb sniff₁, verb sniff₂

Definitions from the Web

Sniffer

Noun:

A person or animal trained to detect or identify scents, especially in the context of drugs, explosives, or contraband.

Example Sentence: The sniffer dog led the police to the hidden stash of drugs.

A device or software used to detect and analyze data packets transmitted over a network.

Example Sentence: The network administrator used a sniffer to troubleshoot the network connectivity issue.

Verb:

To inhale or perceive scents or aromas.

Example Sentence: She sniffered the beautiful fragrance of the freshly bloomed flowers.