A duct, pipe, or chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. (Source: Wikipedia)
a passage to carry off smoke
the tone is produced by air passing across a sharp-edged fissure or lip
flat blade-like projection on the arm of an anchor
a conduit to carry off smoke
organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
