From Longman Dictionary of Contemporary Englishsprayerspray‧er /ˈspreɪə $ -ər/ noun [countable] TAa piece of equipment that is used for spraying large amounts of liquid, especially over crops
Examples from the Corpus
sprayer• An ice cream churn on a plow was more or less all that a crop sprayer was in its earlier inception.• It could also carry pollution monitors, crop sprayers or telecommunications equipment.• David's even sent in requests for updated safety masks for the paint sprayers to use.• I would like to clean it regularly with a pressure sprayer.• Water is then fed into the hopper and the dilute liquid fed into the sprayer.• Better to remove the sprayer and use a cotton swab or small artist brush.• Nicholas Doig with the Schering Packman closed transfer system fitted to the farm's 2,500-litre trailed sprayer. 