sprayer

noun4

1. •
   An object or device used to spray a liquid.
2. •
   A device, machine or vehicle used for large-area spraying, as for irrigation, weed killers, fertilizers, insecticides, or in manufacturing and production line processes.
3. •
   Synonym of spray bottle.
4. •
   One who sprays.

   • Graffiti often includes the sprayer’s name.