sniff

US /snɪf/
UK /snɪf/
"sniff" picture
1.

draw in air audibly through the nose to detect a smell, to stop the nose from running, or to express contempt

:
The dog began to sniff at the stranger's shoes.
She gave a disdainful sniff at his suggestion.
1.

an act or sound of sniffing

:
He gave a quick sniff of the air.
I heard a little sniff from the corner of the room.