Noun: sniffer sni-fu(r)
- A person who sniffs
"The wine sniffer carefully assessed the bouquet of each vintage"
- A device or software that intercepts and analyses data transmitted over a network
"The IT team used a packet sniffer to diagnose network issues"
- A device or dog used to detect specific substances by analysing their odours
"The gas company used a sniffer to locate the source of the leak"
Derived forms: sniffers
Encyclopedia: Sniffer