snuff

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A preparation of finely pulverized tobacco that can be drawn up into the nostrils by inhaling.
• noun The quantity of this tobacco that is inhaled at a single time; a pinch.
• noun A powdery substance, such as a medicine, taken by inhaling.
• intransitive verb To use or inhale snuff.
• idiom (up to snuff) Normal in health.
• idiom (up to snuff) Up to standard; adequate.
• intransitive verb To inhale (something) audibly through the nose; sniff.
• intransitive verb To sense or examine by smelling; sniff at.
• intransitive verb To sniff; inhale.
• noun The act of snuffing or the sound produced by it; a snuffle.
• noun The charred portion of a candlewick.
• transitive verb To extinguish.
• transitive verb To put a sudden end to.
• transitive verb Slang To kill; murder.
• transitive verb To cut off the charred portion of (a candlewick).

from The Century Dictionary.

• To draw in through the nose with the breath; inhale: as, to snuff the wind; to snuff tobacco.
• To scent; smell; take a sniff of: perceive by smelling.
• To examine by smelling; nose: said of an animal.
• To inhale air vigorously or audibly, as dogs and horses.
• To turn up the nose and inhale air, as in contempt or anger; sniff disdainfully or angrily.
• To smell; especially, to smell curiously or doubtfully.
• To take snuff into the nose. Compare to dip snuff, under dip, v. t.
• To crop the snuff of, as a candle; take off the end of the snuff from.
• noun In mining, same as smift.
• noun The burning part of a candle- or lamp-wick, or the part which has been charred by the flame, whether burning or not.
• noun A candle almost burnt out, or one having a heavy snuff.
• In currying, to smooth or put out with a sleeker. See to put out , under put, intransitive verb
• noun Inhalation by the nose; a sniff; also, a pinch of snuff.
• noun Smell; scent; odor.
• noun Offense; resentment; huff, expressed by a sniffing.
• noun A powdered preparation of tobacco taken into the nostrils by inhalation.
• noun In therapeutics, any powder with medicinal properties to be snuffed up into the nose.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of snuffing; perception by snuffing; a sniff.
• noun Pulverized tobacco, etc., prepared to be taken into the nose; also, the amount taken at once.
• noun obsolete Resentment, displeasure, or contempt, expressed by a snuffing of the nose.
• noun See Dipping, n., 5.
• noun one who uses snuff by inhaling it through the nose.
• noun to be angry or offended.
• noun [Slang] not likely to be imposed upon; knowing; acute.
• intransitive verb To inhale air through the nose with violence or with noise, as do dogs and horses.
• intransitive verb To turn up the nose and inhale air, as an expression of contempt; hence, to take offense.
• noun The part of a candle wick charred by the flame, whether burning or not.
• transitive verb To crop the snuff of, as a candle; to take off the end of the snuff of.
• transitive verb to extinguish by snuffing.
• transitive verb To draw in, or to inhale, forcibly through the nose; to sniff.
• transitive verb To perceive by the nose; to scent; to smell.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Finely ground or pulverized tobacco intended for use by being sniffed or snorted into the nose.
• noun Fine-ground or minced tobacco, dry or moistened, intended for use by placing a pinch behind the lip or beneath the tongue; see also snus.