[f. SPRAY v.4] One who or that which sprays; esp. a machine for diffusing insecticides over plants and trees.
1891. in Cent. Dict.
1894. Times, 19 Nov., 4/4. The machine used was Strawson’s standard sprayer.
1900. Trans. Highl. & Agric. Soc., 302. The sprayer [of trees], therefore, should not be smoking.
