smoke

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

• noun The vaporous system made up of small particles of carbonaceous matter in the air, resulting mainly from the burning of organic material, such as wood or coal.
• noun A suspension of fine solid or liquid particles in a gaseous medium.
• noun A cloud of fine particles.
• noun Something insubstantial, unreal, or transitory.
• noun The act of smoking a form of tobacco.
• noun The duration of this act.
• noun Informal Tobacco in a form that can be smoked, especially a cigarette.
• noun A substance used in warfare to produce a smoke screen.
• noun Something used to conceal or obscure.
• noun A pale to grayish blue to bluish or dark gray.
• noun Baseball Pitches thrown at high velocity; fast balls.
• intransitive verb To draw in and exhale smoke from a cigarette, cigar, or pipe.
• intransitive verb To engage in smoking regularly or habitually.
• intransitive verb To emit smoke or a smokelike substance.
• intransitive verb To emit smoke excessively.
• intransitive verb To go or proceed at high speed.
• intransitive verb To play or perform energetically.
• intransitive verb To draw in and exhale the smoke of (tobacco, for example).
• intransitive verb To do so regularly or habitually.
• intransitive verb To preserve (meat or fish) by exposure to the aromatic smoke of burning hardwood, usually after pickling in salt or brine.
• intransitive verb To fumigate (a house, for example).
• intransitive verb To expose (animals, especially insects) to smoke in order to immobilize or drive away.
• intransitive verb To expose (glass) to smoke in order to darken or change its color.
• intransitive verb To kill; murder.
• intransitive verb To defeat decisively, as in a competition.
• intransitive verb Baseball To throw (a pitch) at high velocity.
• idiom (smoke and mirrors) Something that deceives or distorts the truth.

from The Century Dictionary.

• noun The exhalation, visible vapor, or material that escapes or is expelled from a burning substance during combustion: applied especially to the volatile matter expelled from wood, coal, peat, etc., together with the solid matter which is carried off in suspension with it, that expelled from metallic substances being more generally called fume or fumes.
• noun Anything that resembles smoke; steam; vapor; watery exhalations; dust.
• noun Hence Something unsubstantial; something ephemeral or transient: as, the affair ended in smoke.
• noun The act or process of drawing in and puffing out the fumes of burning tobacco, opium, or the like.
• noun A chimney.
• To emit smoke; throw off volatile matter in the form of vapor or exhalation; reek; fume; especially, to send off visible vapor as the product of combustion.
• To burn; be kindled; rage; fume.
• To raise a dust or smoke by rapid motion.
• To smell or hunt something out; suspect something; perceive a hidden fact or meaning.
• To permit the passage of smoke outward instead of drawing it upward; send out smoke for want of sufficient draft: said of chimneys, stoves, etc.
• To draw fumes of burning tobacco, opium, or the like, into, and emit them from, the mouth; use tobacco or opium in this manner.
• To suffer as from overwork or hard treatment; be punished.
• To emit dust, as when beaten.
• To apply smoke to; blacken with smoke; hang in smoke; medicate or dry by smoke; fumigate: as, to smoke infected clothing; to subject to the action of smoke, as meat; cure by means of smoke; smoke-dry; also, to incense.
• To affect in some way with smoke; especially, to drive or expel by smoke: generally with out; also, to destroy or kill, as bees, by smoke.