One who sniffs. / (informal) The nose. / (networking) A software or hardware tool for intercepting and logging network traffic.

plural of sniffer

One who sniffs petrol to experience a high. / (slang, derogatory, ethnic slur) An Australian Aboriginal.

An airplane that supposedly could detect oil fields underground.

plural of petrol sniffer

Software designed for checking packets of data transferred over the Internet.

plural of packet sniffer

plural of sniffer dog

A police dog trained to sniff out illegal goods such as drugs or explosives.

plural of sniffer plane