carburetor

A device in an internal combustion engine where fuel is vaporized and mixed with air prior to ignition.

Near-synonym: gasifier

A device for enhancing illuminating gas by mixing in carbon-rich fuel.

Second, the employment of a current of air between the carburettor and the tube leading to the burner, is described. The Mechanics' Magazine, July 25, 1862.

A water pipe or bong; a device or contrivance for mixing air with burning cannabis or cocaine.

Variations on the bong included air-driven pipes, electric pipes, ice pipes (chillers), mask pipes, chamber pipes, and carburetor pipes.

Some pipes feature a “carburetor,” which is a small hole in the air chamber located past the bowl. The carburetor is held shut while the bowl is being lit and the smoke drawn.