fogger

noun5

1. •
   The outlet at the end of a hose which is designed to atomize, spray, or mist the contents flowing through the hose. Typical use includes gaseous materials such as nitrous oxide in automotive applications, as well as fuels for turbine engines.
2. •
   A device that generates artificial fog or smoke for stage performances.
3. •
   A device that releases an insecticidal mist.
4. •
   A person employed to feed cattle.

   • Describing a fogger's (cattle feeder) work on a winter day, he concludes that […] — 1953
5. •
   (no longer used) One who fogs; a pettifogger.

   • A beggarly fogger. — 1614