SNIFFERS
- A person who sniffs, esp. one who sniffs a drug or toxic substance
- A device for detecting an invisible and dangerous substance, such as gas or radiation
- A person's nose
- SNIFFER, one that sniffs (to inhale audibly through the nose) [n]
- A computer program that detects and records a variety of restricted information, esp. the secret passwords needed to gain access to files or networks