Source : WordNet®

spraying
     n 1: the dispersion of fungicides or insecticides or fertilizer
          on growing crops (often from a low-flying aircraft)
          [syn: {crop-dusting}]
     2: a quantity of small objects flying through the air; "a spray
        of bullets" [syn: {spray}]
     3: the application of a liquid in the form of small particles
        ejected from a sprayer