a person or thing that sniffs.
a device or mechanism for detecting something.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use sniffer in a sentence
Doctors would choose a sniffer designed to detect a particular vapor.Headphones or earmuffs could replace needles in some disease testing | Sid Perkins | August 27, 2021 | Science News For Students
His electronic sniffers would trace a network’s lines and nodes and report back what they found.This Wild Video Maps the Entire Internet and Its Evolution Since 1997 | Jason Dorrier | February 28, 2021 | Singularity Hub
It would be far more economical to build an artificial sniffer apparatus that wouldn’t die after a few years, with standard software that can be updated regularly across all the board.
But Kardashian, a savvy trend sniffer in reality television, fashion, and self-merchandising, was apparently the last to know.When Celebrities Like Mila Kunis Talk Stocks, It’s Time to Get Out of the Market | Daniel Gross | March 15, 2013 | THE DAILY BEAST
Existing methodology can involve plough-like, armor-plated machines, handheld metal detectors and sniffer dogs.
In the face of such compelling images, the immediate response is to send money, food, medicines, relief workers, sniffer dogs.
Perhaps the spirit of the sniffer may still inspire some of the jurors who from time to time make themselves heard in your case.Letters to Dead Authors | Andrew Lang
He has had ten dollars' worth of telling to-day by 'sniffer' Orne.When Egypt Went Broke | Holman Day
It is a very strong sniffer and full of zeal, and one day it did it.
Have you decided to have Mrs. Poteet and Mrs. sniffer swap—er—puppies, Stonie?Rose of Old Harpeth | Maria Thompson Daviess
She had seen hell, one might say, and is the Sphynxian sniffer at the value of a secret.Adventures in the Arts | Marsden Hartley
British Dictionary definitions for sniffer
a device for detecting hidden substances such as drugs or explosives, esp by their odour
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