crop-dusting

[krop-duhs-ting]

noun

the spraying of powdered fungicides or insecticides on crops, usually from an airplane.

crop-dust

[krop-duhst]

verb (used with object)

to subject (a field) to crop-dusting.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for crop-dusting

crop-dusting

noun

the spreading of fungicide, etc on crops in the form of dust, often from an aircraft
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012