hot gun

Noun

hotgun (plural hotguns)

1. A device for directing hot air.
   • Compounds were detected by spraying with methanol:sulfuricacid (1:1) and then by heating with a hotgun.1999, Afgan Farooq, J.R. Hanson, “Oxidation of two pregnane steroids catalyzed by the fungus Cephalosporium aphidicola”, in Bioscience, biotechnology, and biochemistry, volume 63, number 10
2. Synonym of hot glue gun.
   • With the hotgun, incontrast, the holding chamber and the nozzle supply continuous heat to the wax, and the wax can be injected directly into the hole as a liquid.1989, NASA Tech Briefs, page 84

   Synonyms:

   hot glue gun

3. A gun, such as a semi-automatic, designed to discharge its rounds very quickly.
   • As Jorgensen turned his back and as Baker was raising his hotgun; somehow it discharged, striking Jorgensen in the back.1958, 45, California Highway Patrolman - Volumes 22-23