Definition of "Sniff" :
noun: sensing an odor by inhaling through the nose
verb: inhale audibly through the nose
"The sick student was sniffling in the back row."
verb: perceive by inhaling through the nose
"Sniff the perfume."
noun: sensing an odor by inhaling through the nose
verb: inhale audibly through the nose
"The sick student was sniffling in the back row."
verb: perceive by inhaling through the nose
"Sniff the perfume."