sniffer

[ snif-er ]
See synonyms for sniffer on Thesaurus.com
noun
  1. a person or thing that sniffs.

  2. a device or mechanism for detecting something.

Origin of sniffer

1
First recorded in 1860–65; sniff + -er1

Words Nearby sniffer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sniffer in a sentence

British Dictionary definitions for sniffer

sniffer

/ (ˈsnɪfə) /


noun
  1. a device for detecting hidden substances such as drugs or explosives, esp by their odour

  2. a computer program or device used to monitor, detect, and capture data on a network

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012