In a high building, a stairway protected by several inches of concrete and entered through a kind of "air lock" that prevents the poluted smoke to enter inside it.

Alternative form of second-hand smoke

A ring of smoke exhaled by a smoker.

plural of smoke wagon

(slang) A firefighter. / A device or piece of equipment designed to remove smoke from the air.

plural of smoke detector

(figuratively) To engage in fanciful reverie or wishful thinking. / Used other than figuratively or idiomatically: see smoke, dope.

(firefighting) An explosion of flue gases accumulated inside a burning building.

The announcement to the outside world that a conclave has chosen a new Pope. / (figuratively) An event of reaching an agreement. / Methamphetamine.

A deceptive, fraudulent, or unconvincing explanation or description.