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sniffer

1 ENTRIES FOUND:
sniffer /ˈsnɪfɚ/ noun
plural sniffers
sniffer
/ˈsnɪfɚ/
noun
plural sniffers
Britannica Dictionary definition of SNIFFER
[count]
: 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
called also sniffer dog