sniffer noun.
[snɪfǝ] M19.[from SNIFF verb + -ER1.]1. A person who sniffs;
spec. a person who sniffs cocaine, the fumes of glue, etc. (freq. in
glue-sniffer).
M19.2. The nose.
slang.
M19.3. a. Any device for detecting gas, radiation, etc.
colloq. M20.b. More fully
sniffer dog. A dog trained to detect specific odours, esp. those of drugs or explosives.
colloq. M20. [TahlilGaran] English Dictionary ▲