Definition of "blowpipe"

(chemistry) A narrow tube through which a jet of air is directed onto a flame; used in the analysis of minerals etc and in jewelry manufacture.  examples

A weapon through which darts may be shot by blowing; a blowgun.  examples

(glassblowing) A long narrow pipe, rotated in the hands, upon which glassware is blown.  examples

(chemistry) To direct air through a blowpipe.  examples