the charred portion of a candlewick
"After blowing out the birthday cake, I carefully scraped away the snuff from the wick so my sister could see the happy message written in frosting."
a pinch of smokeless tobacco inhaled at a single time
"He leaned over and quickly snuffed a pinch of tobacco before turning to greet his friends."
finely powdered tobacco for sniffing up the nose
"He quickly snuffed a pinch of the pipe tobacco before heading out to meet his friends."
Finely ground or pulverized tobacco intended for use by being sniffed or snorted into the nose.
"He carefully snipped off the charred snuff from the candle to keep it burning brightly."
The burning part of a candle wick, or the black, burnt remains of a wick (which must be periodically removed).
To inhale through the nose.
"She carefully snuffed out the tallow candle before leaving the room to avoid waking her sleeping baby."
To extinguish a candle or oil-lamp flame by covering the burning end of the wick until the flame is suffocated.
snuff colored; of a greyish to yellowish brown
"The old horse's coat had faded to a dull, dusty snuff color after months in the sun."