What does cropdusting mean?
Cropdusting is the application of pesticides, herbicides, fungicides, or fertilizers to crops from an aircraft flying at very low altitude over fields. It emerged with agricultural aviation in the early twentieth century, when modified biplanes were first used to treat large areas far faster than ground equipment could manage. Today specialized aircraft dispense chemicals along carefully planned flight paths, usually in calm conditions at dawn or dusk to minimize drift onto neighboring land. Because it demands precision flying close to obstacles such as power lines, trees, and irrigation rigs, cropdusting is widely regarded as one of the most hazardous branches of civilian aviation. In informal usage, particularly in American slang, the same term carries a humorous second meaning: passing gas while walking past someone so they walk through the odor. Writers therefore rely on context — an agricultural article versus casual conversation — to make clear which sense of this vividly named activity is intended.
The practice of treating crops with pesticides, fungicides, or fertilizer by spraying them from a low-flying aircraft.
"Modern cropdusting relies on GPS-guided flight paths to ensure even coverage of large fields."
Also commonly written 'crop-dusting' or 'crop dusting'; all forms are accepted.
(Informal slang) The act of breaking wind while walking past a person so that they move through the resulting smell.
"His classmates burst out laughing when he admitted to cropdusting the teacher during the field trip."
Strictly informal and humorous; considered crude in polite conversation.
Cropdusting pilots fly so low that their profession is statistically one of the most dangerous in aviation — yet without them, entire harvests could be lost to pests in days.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cropdusting
The term combines 'crop', from Old English 'cropp' meaning the top or head of a plant, with 'dusting', from Old English 'dūst' meaning fine dry particles. It arose in early twentieth-century America alongside agricultural aviation itself, when aircraft first dispersed powdered insecticides over fields — literally 'dusting crops'. The practice later expanded to liquid spraying, but the older name stuck, and the phrase remains the standard shorthand for aerial treatment of farmland.
Related word forms
How cropdusting is actually used
The primary sense is neutral and technical, used in agriculture and aviation contexts; the compound may be written solid ('cropdusting') or hyphenated/open ('crop-dusting', 'crop dusting'), with no consistent standard. The slang sense is distinctly informal, humorous, and mildly crude, common in American colloquial speech and internet culture; avoid it in formal writing.
Easily confused with cropdusting
Cloud seeding disperses substances into clouds to induce rain, whereas cropdusting sprays treatments directly onto crops below the aircraft.