n.
Function: verb
Etymology: akin to Dutch snuffen to sniff, snuff ― more at SNIVEL
Date: 1527
transitive verb
1 : to draw forcibly through or into the nostrils
2 : SCENT , SMELL
3 : to sniff at in order to examine ― used of an animal
intransitive verb
1 : to inhale through the nose noisily and forcibly also : to sniff or smell inquiringly
2 obsolete : to sniff loudly in or as if in disgust
3 : to take snuff